How to use ‘to have’ in English: A complete grammar guide

The verb to have is one of the most versatile words in the English language. It serves as a cornerstone for communication, whether you are expressing possession, obligation, or forming complex past tenses.

Because it functions as both a main verb and an auxiliary (helping) verb, mastering its nuances is essential for achieving fluency. This guide breaks down the rules, conjugations, and common mistakes to help you use “to have” with confidence.

Conjugation of ‘to have’: Present, past, and future

Unlike regular verbs, “to have” is irregular. The form changes depending on the subject and the tense.

Present tense

In the present simple, we use has for the third-person singular (he, she, it) and have for everything else.

• I / You / We / They: have
• He / She / It: has

Past and future tenses

The past tense is simplified because it uses one form for all subjects. For a deeper look at variations, you can view a complete conjugation table for irregular verbs from the Cambridge Dictionary.

• Past: had (e.g., “I had a bike.”)
• Future: will have (e.g., “They will have a meeting tomorrow.”)

If you’re finding the verb ‘to have’ tricky, I highly recommend picking up Raymond Murphy’s English Grammar in Use. It’s the gold standard for ESL learners and covers these irregular verbs with even more practice exercises.

The two primary roles of ‘to have’

To understand how to use “to have” correctly, you must distinguish between its two primary roles: the main verb and the auxiliary verb.

1. Using ‘to have’ as a main verb

As a main verb, it indicates ownership, relationships, or experiences.

• Possession: “I have a new car.”
• Relationships: “She has two brothers.”
• Experiences/Medical: “I have a headache” or “We had a great time.”

2. Using “to have” as an auxiliary verb

In this role, “have” helps form the perfect tenses. It is paired with a past participle.

• Present perfect: “I have eaten breakfast.”
• Past perfect: “She had finished her work before the meeting started.”
• Future perfect: “They will have arrived by 6:00 PM.”

Negative forms and questions

A common mistake for English learners is forgetting the auxiliary “do” when using “have” as a main verb.

Simple present vs. present perfect

Mastering negatives and questions takes repetition. I suggest using the Practice Makes Perfect: English Verbs workbook to drill these patterns until they become second nature

Modal uses: Expressing obligation

“To have” is frequently used to express necessity or rules.

• Have to: Indicates an external obligation.
  • Example: “I have to wear a uniform at work.”
• Have got to: An informal version of “have to,” common in spoken English.
  • Example: “You’ve got to see this movie!”

Note: While “have to” and “must” both express obligation, “have to” is more common in daily conversation, while “must” often feels more formal or internal. The British Council offers a detailed breakdown of the distinction between internal and external obligation if you want to master these modals.

Common idiomatic expressions with have

Many English phrases use “have” in a non-literal way. Learning these will make your English sound more natural.

• Have a look: To examine something.
• Have a go: To try something new.
• Have someone over: To invite someone to your home.
• Have on: To be wearing a piece of clothing.

Frequently asked questions about the verb to have

The “To have” mastery quiz

Test your knowledge of the verb to have in its various forms, including possession, auxiliary use, and modal obligations.

Part 1: Multiple choice (10 questions)

Choose the correct option to complete the sentence.

1. She _____ three sisters and one brother. a) have b) has c) having d) is have
2. We _____ lived in London for five years. a) has b) hads c) have d) having
3. Do you _____ a spare pen I could borrow? a) have b) has c) had d) having
4. By the time we arrived, the movie _____ already started. a) has b) have c) having d) had
5. I _____ to wake up at 6:00 AM every morning for work. a) must to b) has to c) have to d) having to
6. They _____ any pets at the moment. a) don’t have b) hasn’t c) haven’t d) doesn’t have
7. “I’ve got a secret.” In this sentence, “have got” expresses: a) A past action b) Possession c) A future plan d) A suggestion
8. Identify the correct question form: a) Has you finished your dinner? b) Have you finished your dinner? c) Do you finished your dinner? d) Did you finished your dinner?
9. Which of these is an idiomatic expression meaning “to wear”? a) Have over b) Have a go c) Have on d) Have to
10. He _____ a great time at the party last night. a) has b) have c) haves d) had

Part 2: Fill in the blank (10 questions)

Write the correct form of “to have” (have, has, had, having, or have to).

1. My dog __________ a very long tail.
2. We __________ already seen that movie twice.
3. Are you __________ a good day so far?
4. Last year, I __________ a red car, but now I have a blue one.
5. She __________ go to the doctor because she feels sick.
6. __________ you ever been to Japan?
7. I can’t come out tonight; I __________ study for my exam.
8. They __________ not finished their homework yet.
9. My mother __________ always told me to be kind.
10. We are __________ some friends over for dinner this Sunday.

Summary of ‘to have’ usage

Mastering “to have” is a major milestone in English language learning. By recognizing whether it is being used to show possession or to help form a perfect tense, you can avoid the most common grammatical pitfalls.