clean
1. He cleans his room
every day.
2. He cleaned his room
yesterday.
3. He will clean his room
tomorrow.
4. He is cleaning his room
now.
5. He was cleaning his room
while his sister
was watching TV last night.
6. He will be cleaning his room
while his
sister is cooking dinner tomorrow.
7. He has cleaned his room
for two hours.
8. He had cleaned his room for two hours
when
his sister started to cook dinner.
9. He will have cleaned
his room for two
hours by the time his sister starts to cook dinner.
10. He has been cleaning his room
for three
hours.
11. He had been cleaning
his room for three
hours before his sister cooked dinner.
12. He will have been cleaning his room for
three hours when his sister comes home after shopping. |