Time clauses.

2. as
when
until
after
while
since
as soon as before

3.  They can be used for two events happening
at the same time, meaning “during the time”.
=
The earthquake ocurred when / while / as
they were sleeping.

4.  Immediatly after.
As soon as Anthony left the house, it started to rain.

5.  She left before I could tell her something.

6.  After everyone is gone from the party
, we’re going to clean up all the mess.

7.  Up to that time.
I won’t travel
to London
until / till
I have enough
money.

8.  From that time.
I’ve played tennis
since I was a
young girl.

9.  Continuously since a specified time
or event.
Ever since I was
a kid, I’ve had
trouble getting
up early.

10.  Whenever / Every time I am very worried
, I have trouble getting asleep.

11.  When the time clause appears at the
beginning of the sentence, a comma
must be used after it.
My friends visited me while I was
recovering in the hospital.
=
While I was recovering in the hospital, my
friends visited me.

12.  A time clause with before, after, or while
can be reduced only if the subject in the
sentence’s other clause is the same.
After I work out, I take a shower.
After working out, I take a shower.
I take a shower after working out.