6.
1)They aren't playing the piano.
2)I'm not talking.
3)He isn't writing.
4)She isn't dancing.
5)We aren't jumping.
6)She isn't walking.
7)We aren't watching TV.
8)You aren't driving a car.
9)I'm not reading.
10)He isn't making a sandcastle.
11)They aren't painting a picture.
12)You aren't singing a song
7.
1)Are they playing the piano?
2)Am I talking?
3)Is he writing?
4)Is she dancing?
5)Are we jumping?
6)Is she walking?
7)Are we watching TV?
8)Are you driving a car?
9Am I reading?
10)Is he making a sandcastle?
11)Are they painting a picture?
12)Are you singing a song?
Объяснение:
1. Nancy has travelled a lot in her life. She has been to many countries. Last year she visited Greece.
2. Hello, Pat! I'm glad to see you in Oxford again. How long have you been here? When did you arrive?
3. When did you first meet your teacher? How old were you then? How many years have you known him?
4. Have you ever tasted any tropical fruit? Where have you eaten it? Did you like it?
5. — Has Helen written the letter yet? — No, she hasn't. She, began doing it only ten minutes ago.
6. She says she has always wanted to come to Australia. Now she is happy, she has been here since Thursday.
7. Kate has not typed all the letters. She typed three of them yesterday. But she hasn't done anything today.
8. Uncle Tom has never flown in his life. But the other day he made up his mind to take a flight to America.
