Before he sing) a song play ) the guitar. 2.she (to watch ) a video after the children (to go) to bed. 3.after john (to make breakfast he (to phone) his friend. 4.i (to be ) very tired because i (to study ) too much 5.they ( to ride) their bikes before they __ (to meet) their friends. , заранее

before he sang a song he had  played the guitar.

she watched video after the children had gone to bed.

after john had made breakfast he phoned his friend.

i was very tired because i had studied too much.

they had ridden their bikes before they met their friends.

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.