Exercise 3. Make sentences using Past or Future Perfect: 1. We were absolutely safe because (we/take) proper precautions. 2. By the time you
completed your dissertation, (your hair/go gray). 3. Only after (Vic/close) the door o f the bathroom,
he turned on the light inside. 4. What happened was that (I/ decide) to go to the library after lunch.
5. You know how empty-headed Mary Smith is! By the beginning o f the exam (she/forget)
everything. 6. I went to see Professor again. He wasn’t there. (Nobody/see) him for days. 7. I’m
afraid, I will make a poor detective. By the moment I get my glasses to take the number o f the car,
(he/make off) round the corner. 8 . 1 (scarcely/have) time to ask m yself what to do next when Angela
came into the room.
12. EXERCISES ON PERFECT CONTINUOUS TENSES STUDY THE FOLLOWING: The Present Perfect Continuous is used:
1) for an ongoing activity which started in the past:
We
have been waiting for the news since morning but there is no information yet.
{and we are still waiting) 2) for a completed activity the impact o f which concerns us more than what it resulted in:
I
have been waiting for this question for a long time,
{and here it comes at last ) The Past Perfect Continuous is concerned with expressing the duration o f an event or activity in
the past which was interrupted or concluded by another past activity or event.
We decided to stay at the hotel because it
had been raining for several hours.
В . вЖЕЗОВ^атыядагы О К. МУ
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The Future Perfect Continuous emphasizes the duration o f a future event which is interrupted or
concluded by another future event. It also implies the duration o f a future event beyond the future
moment.
Professor Baxter