Unit I. Appearance and character grammar: complex object. Adverbial clauses of time

Ex. 70. Answer the following questions according to the model. Make use of the prompts in brackets.


Model: How long did they stay at this hotel?
(till, receive an invitation from their relative to visit him).
They stayed at this hotel till (until) they had received an invitation
from their relative to visit him.

1. 
   How long did you watch TV? (till, fall asleep)
   
2. 
   How long was she ill? (until, complete the physiotherapy course)
   
3. 
   When did you recognize him? (before, say a word)
   
4. 
   How long did they play golf? (till, get dark)
   
5. 
   When did you feel there was somebody in the room? (before, switch on the light)
   
6. 
   How long did they sleep that day? (till, wake them up)
   
7. 
   When was their baby born? (before, move house)
   
8. 
   How long did you wait? (till, stop raining)
   
9. 
   When did he disappear? (before, discover his mistake)
   

IV. introduced by the conjunction «while».

Speaking about the past we can only use the Past Continuous in the clause of time, which either describes the background of the action in the main clause, or an action parallel with the action in the main clause, e.g.

The phone rang while I was sleeping. (background)

While I was doing my homework, my roommate was watching TV.
(parallel action)


Ex. 71. Complete the sentences using the Past Indefinite (Past Simple) or the Past Continuous (Past Progressive).

1. 
   At 6.00 p.m., Bob sat down at the table and began to eat. At 6.05, Bob (eat) ______ dinner.
   
2. 
   While Bob (eat)______, Ann (come) _________ through the door.
   
3. 
   In other words, when Ann (come) ________ through the door, Bob (eat) _______ dinner.
   
4. 
   At 7.00 p.m., Bob took his newspaper. While Bob ________ (read) the newspaper, Ann _________ (watch) TV.
   
5. 
   Bob went to bed at 10.30. At 11.00 Bob (sleep) _________.
   
6. 
   While Bob (sleep) _________, the phone (ring) _________.
   
7. 
   In other words, when the phone (ring) ________ , Bob (sleep) _____.
   
8. 
   Bob left his house at 8.00 and (begin) _________ to walk to class. While he (walk) ________ to class, he (see) ________ Mrs. Smith.
   
9. 
   When Bob (see) ________ Mrs. Smith, she (stand) ________ on her front porch. She (hold) ___________ a broom. Mrs. Smith (wave) _____ at Bob when she _________ (see) him.
   

B. (the Future)

When we speak about the Future, using clauses of time, we should remember that we can only use the Present Simple, Present Continuous or Present Perfect to emphasize a completed action, a result. We cannot use any future tenses, e.g.