1.London................a lot since 1975.
change changed has changed have changed
2.I did my homework when I...................television
watching watched was watching was watch
3.If he asks for money, I.....................him.
gave give will give given gives
4.The manager.................soon.
arrived arrives has arrived is arriving will arrive
5.She never....................late to school.
come came coming came is coming
6.I met Mohamed while I.......................on the beach.
walk walked walking was walking walks
7.If I.................the address, I would have gone there.
known know knew have known had known
8.She....................to Bou Saada yesterday.
go gone had went went will go
9.Scientists.......................a new planet.
had just discovered has just discover have just discover have just discovered
10.The baby......................usually well behaved.
are has is shall were
11.I......................my work now.Do not disturb me.
done do were doing am doing was doing
12.Fatima..................cooking food daily.
has liked is liking like likes liked
13.I.......................a letter tomorrow.
write will write have written write wrote
14.I......................in this school for 10 years.
taught were teaching teaching has been teaching
15.I......................the pen before she did.
had taken is taking take taken took
16.Look! The boy......................the hill.
were climbing was climbing climbs is climbing