Put the verbs in brackets into the Past Simple or Past Perfect Tense.
1) They ... (to reduce) the price for the cars by Christmas time. 2) She ... (to wake up) early in the morning when it ... (to be) still dark and ... (to turn on) the light. 3) Boris ... (to remember) that he ... (already to watch) that film. 4) Olga ... (never to skate) before her friends ... (to take) her to the skating-rink. 5) I t ... (to stop) snowing before they ... (to leave) for the railway station. 6) The festival ... (to start) when all the participants ... (to arrive). 7) Brian ... (to understand) that he ... (to make) some mistakes in his test-paper. 8) Molly ... (to have) a shower after she ... (to finish) cleaning the flat. 9) He ... (to ask) the waiter to get a taxi after he ... (topay) the bill. 10) I ... (to feel) exhausted after I ... (topaint) the walls of my living-room.
1) had reduced
2) woke up, was, turned on
3) remembered, had already watched
4) had never skated, took
5) had stopped, left
6) started, had arrived
7) understood, had made
8) had, had finished
9) asked, had payed
10) felt, had painted
Past Perfect указывает на завершённость действия, например, если оно произошло до другого действия в . Понять это маркеры by, before и т.п.