Usage of HAVE Practice Tests with C1 Grammar Rules & Examples

Usage of HAVE in Advanced English

The verb have is one of the most versatile and important verbs in the English language. At C1 level, you need to move beyond simply knowing that have expresses possession. In advanced English, have functions as an auxiliary verb, a main verb, and appears in a wide range of complex structures including causatives, perfect aspect constructions, modal perfects, and idiomatic expressions.

Understanding the full usage of have is essential for sophisticated communication in academic writing, professional contexts, and fluent conversation. This lesson covers every major function of have with clear rules, patterns, and examples.

The Core Functions of HAVE

At C1 level, have performs four distinct grammatical roles:

• Main verb — expressing possession, relationships, states, and experiences
• Auxiliary verb — forming perfect tenses and passive structures
• Causative verb — expressing that someone arranges for something to be done
• Modal perfect structures — expressing speculation, criticism, and necessity about the past

HAVE as a Main Verb

1. Possession and Ownership

The most fundamental use of have as a main verb is to describe possession. At this level, you should also be aware of the distinction between have and have got in formal and informal registers.

Formal / Written English: She has considerable influence over the committee.
Informal / Spoken British English: She's got considerable influence over the committee.

In American English, have got is generally avoided in formal writing. In British English, have got is common in spoken and informal contexts but avoided in academic or professional writing.

Form	Affirmative	Negative	Question
have (formal)	She has strong opinions.	She doesn't have strong opinions.	Does she have strong opinions?
have got (informal)	She's got strong opinions.	She hasn't got strong opinions.	Has she got strong opinions?

Key rule: In the simple past, only had is used. Never use had got in standard formal English.

❌ They hadn't got enough evidence. (informal, avoid in formal writing)
✅ They didn't have enough evidence.

2. Describing States, Experiences, and Characteristics

As a main verb, have describes a wide range of states, relationships, and inherent characteristics. These uses are stative — they describe conditions rather than actions — and are therefore not normally used in continuous tenses.

• Characteristics: The proposal has several significant weaknesses.
• Relationships: She has two colleagues who specialise in corporate law.
• Obligations: He has a duty to disclose the information.
• Illnesses / physical states: He has a chronic back condition.

3. HAVE in Event and Experience Expressions

When have refers to actions, events, or experiences, it behaves like a dynamic verb. In this case, it can be used in continuous tenses and is negated and questioned using do/does/did.

Compare these two sentences:

Stative (possession/state): I have a meeting this afternoon. — describing a scheduled arrangement
Dynamic (event/activity): We are having a very productive discussion. — describing an event in progress

Expression Type	Example	Continuous Possible?
Have a conversation	They were having a heated argument.	✅ Yes
Have dinner / lunch	We are having dinner with the director.	✅ Yes
Have a break	The team had a short break at noon.	✅ Yes
Have time (= possess)	I don't have time to review this.	❌ No
Have an opinion	She has reservations about the plan.	❌ No
Have a look	Could you have a look at this draft?	❌ No

HAVE as an Auxiliary Verb: Perfect Tenses

At C1 level, mastery of have as an auxiliary verb is critical. It combines with a past participle to form all perfect aspect constructions.

Present Perfect Simple and Continuous

Pattern: have/has + past participle

The government has introduced a number of controversial policies.
She has been working on this project for over a year.

Past Perfect Simple and Continuous

Pattern: had + past participle

By the time the report was released, the committee had already reached a decision.
He had been negotiating for three hours before an agreement was reached.

Future Perfect Simple and Continuous

Pattern: will have + past participle

By next year, the research team will have completed the study.
She will have been working at the firm for a decade by the time she retires.

Tense	Structure	Example
Present Perfect Simple	have/has + past participle	He has revised the contract.
Present Perfect Continuous	have/has + been + -ing	She has been reviewing the evidence.
Past Perfect Simple	had + past participle	They had submitted the bid before the deadline.
Past Perfect Continuous	had + been + -ing	He had been expecting a different outcome.
Future Perfect Simple	will have + past participle	We will have finalised the merger by March.
Future Perfect Continuous	will have + been + -ing	She will have been leading the project for two years.

Modal Perfects: Modal + HAVE + Past Participle

This is one of the most important advanced structures involving have. Modal perfects combine a modal verb with have and a past participle to express a range of meanings about past situations, including speculation, deduction, criticism, and regret.

Pattern: modal verb + have + past participle

Speculation and Deduction about the Past

Must have + past participle — logical certainty about the past
She must have known about the irregularities before the audit.

Can't have / couldn't have + past participle — logical impossibility in the past
He can't have seen the document. It was classified.

May have / might have / could have + past participle — possibility in the past
The delay might have been caused by an administrative error.
She could have misunderstood the instructions.

Criticism and Regret

Should have + past participle — something was the right thing to do but did not happen
The manager should have consulted the team before making that decision.

Shouldn't have + past participle — something was done but was a mistake
They shouldn't have released the statement without verifying the facts.

Would have + past participle — expressing a hypothetical past result (third conditional)
If the funding had been approved, we would have launched the programme in January.

Need not have + past participle — something was done but was unnecessary
You needn't have prepared such a detailed report — a summary would have been sufficient.

Modal Perfect	Meaning	Example
must have + pp	Logical certainty (past)	He must have left before we arrived.
can't have + pp	Logical impossibility (past)	She can't have finished already.
might/may/could have + pp	Possibility (past)	They might have taken the wrong approach.
should have + pp	Criticism / regret (not done)	You should have informed us earlier.
shouldn't have + pp	Criticism (done incorrectly)	She shouldn't have disclosed that information.
would have + pp	Hypothetical past result	We would have succeeded with more resources.
needn't have + pp	Unnecessary completed action	You needn't have worried.
could have + pp	Unrealised past ability	He could have raised the issue sooner.

The Causative HAVE: HAVE Something Done

The causative have is a sophisticated structure used to express that someone arranges for another person to perform an action on their behalf. The subject does not perform the action themselves but causes it to happen.

Pattern: have + object + past participle

The company had its headquarters redesigned last year. (An external team redesigned it; the company arranged this.)
She is having her annual report reviewed by a consultant.
We will have the system upgraded before the launch.

The causative have can be used in all tenses:

Tense	Example
Simple Present	He has his reports proofread every week.
Present Continuous	She is having her office refurbished.
Simple Past	They had the contract reviewed by a solicitor.
Present Perfect	We have had the software updated.
Future Simple	The firm will have the data audited next quarter.
Modal	You should have it checked before signing.

Causative HAVE vs. GET

Have and get can both be used causatively, but there are register differences:

Have something done — more formal and neutral
She had the financial documents certified by an auditor.

Get something done — more informal; can also imply more effort or difficulty
I finally got the issue resolved after weeks of chasing.

Causative HAVE with an Active Infinitive

There is a second causative pattern using have + person + base verb. This is used when the subject causes a specific person to perform an action:

Pattern: have + person + base form of verb

The director had the team submit all documents by Friday.
She had her assistant arrange the conference call.

Note the difference:
She had the report written. (causative passive — someone wrote it for her)
She had her assistant write the report. (causative active — her assistant did it)

HAVE TO: Obligation and Necessity

Have to is used to express external obligation or necessity — something that is required by rules, circumstances, or another authority. It is distinct from must, which typically expresses internal obligation or the speaker's own authority.

External obligation: All candidates have to submit three references. (a rule imposed by the institution)
Internal obligation: I must finish this tonight. (the speaker's own determination)

Tense	Structure	Example
Present	have to / has to + base verb	She has to obtain board approval.
Past	had to + base verb	He had to revise the entire proposal.
Future	will have to + base verb	They will have to renegotiate the terms.
Present Perfect	have/has had to + base verb	We have had to reconsider our strategy.

Negative — Don't have to expresses lack of obligation (not prohibition):
You don't have to attend the preliminary session, but it is recommended.

Compare:
You mustn't disclose this information. (prohibition — it is forbidden)
You don't have to disclose this information. (no obligation — it is optional)

HAVE in Idiomatic and Fixed Expressions

At C1 level, you should be comfortable recognising and using have in a wide range of idiomatic expressions. These are fixed collocations where have functions as a delexical verb — it carries little independent meaning and the noun provides the key meaning.

Expression	Meaning	Example
have an impact on	to affect something	The new policy will have a significant impact on output.
have access to	to be able to use something	All employees have access to the company database.
have reservations about	to feel uncertain or doubtful	She had serious reservations about the proposed merger.
have no choice but to	to be forced to do something	We had no choice but to terminate the contract.
have a bearing on	to be relevant to something	His background has a direct bearing on the case.
have something in common	to share characteristics	The two approaches have a great deal in common.
have it out with someone	to confront someone directly	She decided to have it out with her supervisor.
have the upper hand	to be in a stronger position	The defendant's legal team had the upper hand throughout.
have your work cut out	to face a very difficult task	The new director will have her work cut out rebuilding trust.
have a vested interest in	to have a personal stake in something	The shareholders have a vested interest in the outcome.

Perfect Infinitives with HAVE

The perfect infinitive (to have + past participle) is used after certain verbs, adjectives, and modals to express actions that occurred before a reference point or that are hypothetical.

After modal verbs (already covered above):
He appears to have overlooked the implications.
She seems to have been misled by the initial report.

After verbs of thinking, claiming, and reporting:
The study claims to have identified a causal link.
The witness appears to have contradicted herself.

After adjectives expressing luck, happiness, relief:
We were fortunate to have secured the funding in time.
She was relieved to have resolved the dispute out of court.

In third conditional (hypothetical):
It would have been preferable to have consulted stakeholders earlier.

HAVE in Passive and Complex Structures

Perfect Passive: Have + Been + Past Participle

When the perfect tense is combined with a passive structure, have still acts as the auxiliary:

Pattern: have/has/had + been + past participle

The matter has been referred to the ethics committee.
Several concerns had been raised before the inquiry began.
The budget will have been approved by the end of the month.

Have + Object + Past Participle (Passive Experience)

This structure is also used to describe an unpleasant experience that happens to the subject — something done to them, often without their control. This is a distinct use from the causative.

She had her car stolen outside the office. (She did not arrange this — it happened to her.)
He had his proposal rejected three times.
They had their funding withdrawn without notice.

Context usually makes clear whether the meaning is causative (arranged) or experiential (suffered). Compare:

She had her hair cut. — causative (she arranged it)
She had her hair pulled during the altercation. — experiential (it happened to her)

Important Differences and Special Cases

HAVE vs. HAVE GOT: Register Matters

Both have and have got express possession and states, but their use depends heavily on register and variety of English.

Context	Preferred Form	Example
Formal writing / academic English	have / do not have	The report does not have a clear conclusion.
Informal spoken British English	have got / haven't got	I haven't got the time to go through it now.
American English (any register)	have / don't have	He doesn't have a valid argument.
Past tense (all registers)	had / didn't have	They didn't have sufficient evidence.

MUST vs. HAVE TO

Form	Use	Example
must	Speaker's authority / internal obligation	I must attend to this urgently.
have to	External rule / obligation from another source	All staff have to complete the compliance training.
don't have to	No obligation (optional)	You don't have to include a cover letter.
mustn't	Prohibition	Participants mustn't share confidential data.

DIDN'T NEED TO vs. NEEDN'T HAVE

These two structures are frequently confused at advanced level:

Didn't need to + base verb — the action was not necessary, and it is not known whether it was done:
She didn't need to resubmit the form. (We don't know if she did or not.)

Needn't have + past participle — the action was done, but it turned out to be unnecessary:
She needn't have resubmitted the form. (She did resubmit it, but it was not necessary.)

Common Mistakes

❌ I am having a lot of experience in this field.
✅ I have a lot of experience in this field. — Stative uses of have do not take the continuous form.

❌ She must have been the one to told them.
✅ She must have been the one to tell them. — After must have been, the infinitive remains in base form.

❌ We had our budget cutting by 20%.
✅ We had our budget cut by 20%. — The causative requires the past participle, not the continuous form.

❌ He has to submitted the application yesterday.
✅ He had to submit the application yesterday. — Have to in the past is had to, followed by the base form.

❌ They didn't need to have worried about the results.
✅ They needn't have worried about the results. — When the action was completed unnecessarily, use needn't have.

❌ The proposal would have succeed with better planning.
✅ The proposal would have succeeded with better planning. — Would have must be followed by the past participle, not the base form.

❌ She had got a lot of good feedback during the review. (past event)
✅ She received a lot of good feedback during the review. — In the past, had got is not used for events; use the simple past.

❌ The company has its headquarters redesign last year.
✅ The company had its headquarters redesigned last year. — Causative have requires the correct tense of have and the past participle.

Usage of HAVE: Quick Summary

HAVE as a main verb expresses possession, states, relationships, and experiences. Dynamic uses (events and activities) can take continuous forms; stative uses cannot.

HAVE as an auxiliary verb forms all perfect tenses — present, past, and future — in both active and passive constructions. The pattern is always have/has/had + past participle.

Modal perfects combine a modal verb with have + past participle to express speculation, deduction, criticism, regret, and hypothetical past situations. Each modal perfect carries a distinct meaning that must be chosen carefully.

Causative HAVE follows the pattern have + object + past participle and expresses that someone arranges for another person to perform an action. The same structure with context can also express an unpleasant experience suffered by the subject.

Have to expresses external obligation and follows the full verb pattern with do/does/did for negatives and questions. It is distinct from must, which expresses internal or speaker-imposed obligation.

Register awareness is essential: have got is appropriate in spoken and informal British English but should be avoided in academic and formal writing. The past tense is always had, never had got.

Now practise the usage of HAVE in the exercises below.