Образуйте отрицательную форму 1. show me these documents. 2. open the window. 3. wait a minute. 4. let’s do it. 5. let’s go home. 6. let him go there alone7. let them wait for me.

1. Don't show me these documents.
2. Don't open the window.
3. Don't wait a minute.
4. Don't let us do it.
5. Dont let us  go home.
6. Don't let him go there alone
7. Don't let them wait for me.

I can speak English. My father can not speak German. Can you speak French? My sister can not skating. Can you swim across this river? I can't drink this milk. She can't understand you. Could you swim last year? Last year I could not skiing, but now I can. Could you tell me how to get to railway station? Could you help me? I can't translate this sentence. Where can I buy bread here? Could your grandmother dance when she was young? Yes, she could and she can now.

Will you be able to do this work tomorrow? I think, she won't be able to make this task. Tomorrow I will be free and be able to help you. Will we be able to go to New York next year? Will you be able to fix my tape recorder?  Yesterday I could not see the director , because he was at the conference, but today after work I will be able to.

1.I can speak English. 2.My father can't speak German. 3.Can you speak French? 4.My sister can't skate. 5.Can you swim across this river? 6. I can't drink this milk. 7.She can't understand you . 8.Could you swim last year? 9.Last year I couldn't ski but now I can . 10.Can you tell me how to get to the station? 11.Can you help me ? 12.I can't translate this sentence. 13.Nobody could help me . 14.Where can I buy some bread? 15.Could your grandma dance when she was young? - Yes , she could. She can dance now too .