1. while

2. while
We use while to link two long-lasting actions that continued for the same period of time in the past.
We use the past continuous tense for both actions.

3. Example
Tom and Mary were doing their homework.
NOW
5:00 p.m.
7:00 p.m.
8:00 p.m.
Mum was cooking the dinner.
Tom and Mary were doing their homework while Mum was cooking the dinner.

4. __________________________________________________________
Practice
my sisters – tidy the living room
NOW
5:00 p.m.
6:00 p.m.
6:30 p.m.
my brothers – sweep the floor
__________________________________________________________
My sisters were tidying the living room
while my brothers were sweeping the floor.

5. my brother - play computer games
Practice
my brother - play computer games
NOW
3:00 p.m.
4:00 p.m.
4:30 p.m.
I – play the piano
__________________________________________________________
My brother was playing computer games
while I was playing the piano.

6. when

7. when
When one thing happened at the time when another thing was happening, we use the past continuous tense for the longer action and the past tense for the shorter action.
We use when to link the two actions together.

8. Tom was doing his homework.
Example
Tom was doing his homework.
NOW
5:00 p.m.
7:00 p.m.
8:00 p.m.
Mum came home.
Tom was doing his homework when Mum came home.

9. Practice ______________________________
Ray - swim
NOW
2:00 p.m.
3:00 p.m.
3:30 p.m.
Ray - hurt his leg
______________________________
Ray was swimming when he hurt his leg.

10. the children – twist their ankles
Practice
the children - dance
NOW
5:00 p.m.
6:00 p.m.
6:30 p.m.
the children – twist their ankles
The children were dancing when they twisted their ankles.
______________________________

11. THE END