Here are the correct forms for the verbs in the exercises:

**Bài 1: Put the verbs into the correct form (infinitive with or without to)**

1. I can (speak) **speak** English.
2. We have to (do) **do** our homework.
3. You must (stay) **stay** at home.
4. I will (help) **help** you.
5. He cannot (see) **see** us.
6. My little sister learns (speak) **to speak** English.
7. We want (go) **to go** to the cinema.
8. You should (call) **call** your parents.
9. I’d like (have) **to have** a dog.
10. May I (come) **come** in?

**Bài 2: Match the words in the column A with the words in the column B to make a meaningful sentence.**

1. My teacher forces me **f. to close properly.**
2. Kate encourages others **c. to try new things with her.**
3. Kelly can’t get her suitcase **a. to do chores around her house.**
4. John’s brother had his friend **d. help him with his homework.**
5. I always help my grandmother **e. to do my homework.**
6. Mark hates it when his mom tells him **b. to do the dishes after dinner.**

**Bài 3: Put the verbs into the correct form.**

1. Could you please stop (make) **making** so much noise?
2. He refused (lend) **to lend** me any money.
3. Don't let him (try) **try** this dangerous game!