SB; Unit 7
Ex-17
She has been walking all morning.
She has been working all night.
They have been shopping all day.
He has been painting all day.
They have been playing basketball all afternoon.
Ex-15
1.Did 2.Have 3.did 4.have 5.have 6.did 7. has 8.did
Ex-14
Have you ever cut yourself badly?
-Yes,I have.
-When?
-I have cut myself when i was 10.
Have you ever had mumps?
-No,I haven't
Have you ever had chickenpox?
-No,I haven't.
Have you ever burnt yourself badly?
-Yes,I have.
-When?
-I've burnt myself when i was seven.

Ex-12
He's just fallen in the water.
Plane's already taken off.
He's just broken window.
He's just hit his finger.
She's just dropped vase.
Car's just crashed into the parking meter.
Ex-11
1.I have already washed my clothes.
2.I haven't washed my hair yet.
3.I oven finished my homework today.
4.I have just cleaned dishes.

Ex-10
He has already made hhis bed.
He hasn't cleaned his window yet.
He has already put books on shelves.
He hasn't hanged his clothes in wardrobe.
He has already removed dirty cups.
He hasn't picked papers up of floor.
Ex-8
N:What's the problem,Mr West?
W:I've hurt my hand
N:What's the problem,Mr Brown?
B:I've hit my head.
N:What's the problem,Tim?
T:I've cut my finger.
N:What's the problem,Mrs Clark?
C:I've broken my arm.