2 7 using time clauses

1. 2-7: Expressing Time: Using Time
Clauses
Page 48

2. These two sentences have the same
meaning:
Time Clause Main Clause
After I finished
my work,
I went to bed.
Main Clause Time Clause
I went to bed after I finished
my work
Atimeclausecan
comebeforeor
afteramain
clause.

3. Subordinator + subject + verb
I went to bed after I finished my
homework.
Before I went to bed, I finished my
homework.
I stayed up until I finished my homework.
As I soon as I finished my homework, I
went to bed.
The phone rang while I was watching TV.
When the phone rang, I was watching TV.
Thesewords
introducetime
clauses:

4. Subordinator + subject + verb
I stayed up until I finished my homework.
(until = to that time and no longer)
As I soon as I finished my homework, I
went to bed.
(as soon as = immediately after)
Thesewords
introducetime
clauses:

5. Subordinator + subject + verb
There is no comma if the time clause
(subordinate clause) comes after the main
clause:
I stayed up until I finished my homework.
If the time clause (subordinate clause)
comes first, there is a comma.
As I soon as I finished my homework, I
went to bed.
Payattentionto
thepunctuation:

6. If you use the simple past, the verb
in the when clause happened first:
When the phone rang, I answered it.
= As soon as the phone rang, I answered
it.
= Just after the phone rang, I answered it.
I answered the phone when it rang.
= I answered the phone as soon as it rang.
I answered the phone just after it rang.
Inasentencewith
subordinator
when:

7. If you use the past progressive, the
two verbs were happening at the
same time.
When I was doing my homework, my
roommate was watching TV = While I was
doing my homework, my roommate was
watching TV.
Inasentencewith
subordinator
whenorwhile:

8. A verb in the simple past interrupts
a verb in the past progressive.
The phone rang while I was doing my
homework –
The phone rang when I was doing my
homework.
Inasentencewith
subordinator
whenorwhile: