Helpful worksheet for students to practice the difference between 'have to' and 'has to' in English sentences.

Let's solve this English grammar practice worksheet step by step.

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A. Choose the correct word

We need to choose between "has to" and "have to", depending on the subject of the sentence.

Remember:
- "have to" is used with I, you, we, they (plural or first person).
- "has to" is used with he, she, it, and singular nouns.

Let’s go through each sentence:

1. She has to / have to wear glasses because she can't see very well.
→ Subject: *She* (singular) → has to ✔
✔️ has to

2. My uncle is a police officer. He have to / has to wear a uniform.
→ Subject: *He* (singular) → has to ✔
✔️ has to

3. My dad has to / have to wash the car every Saturday.
→ Subject: *My dad* (singular) → has to ✔
✔️ has to

4. We have to / has to cook dinner now.
→ Subject: *We* (plural) → have to ✔
✔️ have to

5. Now they have to / has to go to school.
→ Subject: *they* (plural) → have to ✔
✔️ have to

6. Lily and Danny has to / have to go to work every day.
→ Subject: *Lily and Danny* (two people → plural) → have to ✔
✔️ have to

7. Sarah has to / have to make a phone call now.
→ Subject: *Sarah* (singular) → has to ✔
✔️ has to

8. I have to / has to get up very early every morning.
→ Subject: *I* → have to ✔
✔️ have to

9. My brother has to / have to go to school on time. His teacher is a strict man.
→ Subject: *My brother* (singular) → has to ✔
✔️ has to

10. I has to / have to go to the dentist because my teeth hurt.
→ Subject: *I* → have to ✔
✔️ have to

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✔ Answers for Part A:

1. has to
2. has to
3. has to
4. have to
5. have to
6. have to
7. has to
8. have to
9. has to
10. have to

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B. Complete the sentences

Choose from: have to, had to, has to

Remember:
- have to = present tense (general obligation)
- has to = present tense (singular subject)
- had to = past tense

Now let’s analyze each sentence:

1. Yesterday I ............... go home from school early because I was ill.
→ Time: *Yesterday* → Past tense → had to ✔
✔️ had to

2. We are going to be late. Sorry, we ............... go now.
→ Present situation, urgent action → have to ✔
✔️ have to

3. I was at the movie theater early, so I ............... wait.
→ Past event → had to ✔
✔️ had to

4. My little sister ............... do homework every day.
→ Habitual action in present → Subject is *sister* (singular) → has to ✔
✔️ has to

5. Leo is at the red light. He ............... stop.
→ Present rule/obligation → Subject: *He* → has to ✔
✔️ has to

6. She ............... go back to the traffic lights five minutes ago.
→ Time: *five minutes ago* → Past → had to ✔
✔️ had to

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✔ Answers for Part B:

1. had to
2. have to
3. had to
4. has to
5. has to
6. had to

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✔ Final Answer Summary:

#### Part A:
1. has to
2. has to
3. has to
4. have to
5. have to
6. have to
7. has to
8. have to
9. has to
10. have to

#### Part B:
1. had to
2. have to
3. had to
4. has to
5. has to
6. had to

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✔ Explanation Recap:
- Use "has to" for singular subjects (he, she, it, name).
- Use "have to" for plural subjects (we, they, names in plural) or "I", "you".
- Use "had to" for past obligations.
- Always match the verb form with the subject and tense.

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