Практикум по грамматике английского языка : учебное пособие

CLAUSES OF TIME AND CONDITION
Main clause
Time clause
I’ll let you know
They’ll have completed 
the project 
He will do there
when
until
till
before
after
as soon as
by (the time)
I get there.
Condition clause
if
in case
unless
As (so) long as
provided
providing
everything is OK.
NOTE:
Future Perfect or Future Perfect Continuous is used with by... and not... till/
until
By the time the company president retires, his son will have become the 
presi dent of the firm.
Mary will have been doing the laundry for an hour by the time her husband 
comes home.
When the clause of time or condition is the first part of a sentence, a comma 
often separates it.
If I see him, I’ll phone you. I’ll phone you if I see him.
Clause of Time
• when
When
 Jack arrives, he’ll tell us about the match. I’ll ring you
 when
 I get to 
Bristol.
• until/till
I’ll stay
 until/till
 you get back. 
Until/till I
’m sure he’s telling me the truth,
I
won’t believe him. 
I
 won’t have done the job
 until/till
he comes.

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• before
We won’t leave for the airport
 before
 David comes. 
Before
 he arrives, I’ll give 
the children their toys.
• as soon as
As soon as
 the rain stops, I’ll go out and buy something for dinner. I’ll take 
the chance of having this job
 as soon as
 they offer it.
• by the time
By the time
 you get back, we’ll have taken care of everything. 
I
 will have com-
pleted the task
 by the time
 the returns.
Exercise 42. Write these sentences, putting the verbs into Future Simple 
or Present Simple.
Example: I __give____(give) it to them when they__visit___(visit) us. 
I _won’t send____(not/send) the parcel until I ___hear____(hear) from you. 
1. As soon as they __________ (phone) me, I __________ (contact) you.
2. I __________ (see) you before I __________ (fly) to Paris.
3. They __________ (send) you the money before you __________ (leave).
4. When I __________ (talk) to him, I __________ (tell) him your news.
5. She __________ (visit) her parents before she _________ (go) to the airport.
6. When she __________ (hear) this, she __________ (be) pleased.
7. I __________ (send) you a postcard when I __________ (get) there.
8. I __________ (finish) this when I __________ (be) in the office.
9. I __________ (call) you as soon as we __________ (sign) the contract.
10. As soon as I __________ (hear) the results, I _________ (let) you know.
11. When they __________ (find out) about this, there _________ (be) trouble.
12. After I __________ (visit) the hospital, I __________ (go) and see her 
parents.
13. You probably __________ (not/like) him when you ________(meet) him.
14. She __________ (do) her homework before she _________(go) out
15. The Browns __________ (support) their children till their children 
_______(come) of age.
Exercise 43. Complete these sentences using Present Simple in the clause 
of time, and Future Simple, Future Continuous, Future Perfect, or Future Per-
fect Continuous in the main clause.

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Example: I work from 9 am until 7 pm every Monday. Barbara will 
arrive at about 5 pm. 
I __________ (work) when Barbara __________ (arrive).
I will be working when Barbara arrives.
1. Sam is going to phone me on Friday, so I will let you know then. I __________ 
(let) you know as soon as Sam _________ (phone) me.
2. I’m going to the supermarket soon. I always buy bread at the supermarket.
I ________ (buy) some bread when I __________(go) to the supermarket
3. Hurry up, or they _________ (finish) lunch by the time we _______(get) 
there.
4. I’ll be seeing Helen next week. I’ll tell her then. I _________(tell) Helen 
when I _________ (see) her.
5. According to the weather forecast, it’s going to rain all day tomorrow. We 
are going to set out at ten o’clock. According to the weather forecast, it 
__________ (rain) when we _________(set out) tomorrow.
6.They _________ (stand) in the cold for six hours by the time we_________
(col lect) them.
7. We’ll be watching television in the evening. Bob comes home from work 
at about 8 o’clock. We _________ (watch) television until Bob _________
(come) home from work.
8. By the time we _________ (get) to the theatre, the play __________ (begin).
9. According to the weather forecast, it’s going to get colder. The children are 
going for a walk in the park after lunch. The children __________(walk) in 
the park until it _________ (get) colder.
10. Tomorrow I’m leaving for home. My whole family is going to meet me at 
the airport. When I ____________(arrive) at the airport, my whole family 
_________ (wait) for me.
11. Tomorrow the weather is going to be fine. When I __________(get up) in 
the morn ing, the sun __________ (shine), the birds __________ (sing).
12. — What __________ you (do) after you __________ (graduate)?
— I __________ (return) home and __________ (get) a job. How about 
you?
—I __________ (be) here for at least two more years before I __________
(return) home, and __________ (get) a job.
13. We _______ (live) here for six months by the time they __________(find) 
us a new flat.

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