5. 1) I must have a bath.

   2) You can't go out tonight.

   4) Shall I water the flowers this afternoon?

   5) He must studies hard for his exams.

   6) She must help her mom today.

   7) I can't do puzzles when I was for years old.

6. 1) I want him to come in time.

   2) Nothing can help him to get up early.

   3) What made him learn French.

   4) Does your mother want you to learn English?

   5) Tom's father made him tell the truth.

   6) I would like you to buy some cakes for dinner.