Unit

110

A When I went out, it was raining.

This sentence has two parts:

You can begin with part A or part B:

When I went out, it was raining.

It was raining when I went out.

We write a comma I,) if part A (When ...) is before part B:

When you're tired, don't drive.

Don't drive when you're tired.

Ann was very happy when she passed her exam.

When Ann passed her exam, she was very happy.

We do the same in sentences with before/while/after:

Always look both ways before you cross the road.

Before you cross the road, always look both ways.

While I was waiting for the bus, it began to rain.

It began to rain while I was waiting for the bus.

He never played football awn after he broke his leg.

After he broke his leg, he never played football again.

Part A

When I went out

Part B

It was raining

Yu

Unit

110

B When I am ... /when I go ... etc.

Next week Jill is going to New York. She has a friend,

Barbara, who lives in New York but Barbara is also

Going away - to Mexico. So they won't meet in New York.

Barbara will be in Mexico when Jill is in New York.

The time is future (next week) but we say:…….when Jill is in New York. (Not when Jill will be’)

We use the present (I am/ I go etc.) with a future meaning after when:

When I get home this evening, I’m going to have a shower.(Not when I will get home)

I can’t talk to you right know. I’ll talk to you later when I have more time.

We do the same after before/while/ after/until.

Please close the window before you go out.( not before you will go ) Julia is going to live in our flat while we are away ( not while will be) I’ll stay here until you come back ( not until you will come back)