Образуйте отрицательную и вопросительную форму следующих предложений:
Example: That’s interesting
That isn’t interesting
Is that interesting?
1. He is a good singer.
2. It’s difficult to make a decision.
3. I am from Yekaterinburg.
4. She is at work.
5. That’s a practical idea.
6. He is hard-working.
7. She is my sister.
8. They are his group mates.
9. Her name is Jane.
10. My granny is a violinist.

1. He is not a good singer. 2. It’s not difficult to make a decision. 3. I am not from Yekaterinburg. 4. She is not at work. 5. That’s not a practical idea. 6. He is not hard-working. 7. She is not my sister. 8. They are not his group mates. 9. Her name is not Jane. 10. My granny is not a violinist.1. Is he a good singer? 2. Is it difficult to make a decision? 3. Am I from Yekaterinburg? 4. Is she at work? 5. Is that a practical idea? 6. Is he hard-working? 7. Is she is my sister? 8. Are they his group mates?9. Is her name Jane? 10. Is my granny a violinist?