Объяснение:
4. Put the verbs in brackets into the Past simple, Past Perfect or the Past Perfect Continuous.
1. “Why were Mrs. James and Mr. James angry with Pam?” – “Because she *hadn't/ finished* her work.
2. Sam (*had lived*) in German before he moved to Greece.
3. *Had___ mother/ finished*) making the lunch when the guests arrived?
4. Jane *went* out with her classmates after she had finished her work.
5. “Sasha was exhausted yesterday.” – “I know. Sasha __*had beenstudying* for a maths exam all morning.”
6. How long ___*had you been studying* English before you first visited England?
7. Dr Morgan *had___ performed* a lot of experiments before he made an important discovery.
8. How long ___*had___ they been waiting* before the train arrived?
9. When *did Matt graduate * from the university?
10. Sam *didn't win* the Young Inventor of the Year Award last year, but he’s sure he will this year.