Cannot/couldn't/mustn't

1) My book will lie on the table. 
2) They will work. 
3) The doctor and her patient will talk. 
4) We will cook dinner. My mother will make a salad. 
5) A young man will drive a car. He will listen to music. 
6) My grandfather will read a book. 
7) The pen will  lie on the floor. 
8) Will you  have a break? 
9) She will sing. 
10) The boys will run about in the garden. 
11) I will do my homework. 
12) John and his friends will go to the library. 
13) Ann will sit at her desk. 
14) She will study geography. 
15) A young man  will stand at the window. 
16) The old man will walk about the room. 
17) The dog will lie on the floor. 
18) Will you have a break? 
19) What language will you study? 
20) Who will lie on the sofa? 
21) What will they talk about? 
22) It will rain.

1. If it rains tomorrow, I won’t have to water the plants. 2. You won’t be able to sleep if you watch this scary film. 3. Sveta can not move into the new house if it is not ready on time. 4. If you send this letter now, she will receive it tomorrow. 5. If I do this test, I will improve my English. 6. If I find your ring, I will give it back to you. 7. If her boyfriend does not phone today, she will leave him. 8. If they do not study harder, they won’t pass the exam. 9. Polina will go shopping if she has time in the afternoon. 10. Aleksander will go to Kiev next week if he gets a cheap flight.