1. IS ( to be )
WRITES ( to write )
WAS WRITING ( to write )
WROTE ( to write )
2. ARE you DOING ( to do )
3. HELPS ( to help )
WASHED ( to wash )
DUSTED ( to dust )
ARE COOKING ( to cook )
4.IS RUNNING ( to run )
IS BEEN RUNING ( to run )
5.ARE they DOING ( to do )
ARE WORKING ( to work )
HAVE BEEN WORKING ( to work )
6. IS he ( to be )
IS ( to be )
IS PLAYING ( to play )
HAVE BEEN PLAYING ( to play )
7. LIVE ( to live )
HAVE BEEN LIVING ( to live )
8. WORKS ( to work )
HAS BEEN WORKING ( to work )
9. HAVE you FOUND ( to find )
AM still LOOKING ( to look )
HAVE already BEEN LOOKING ( to look )
HAVE NOT FOUND IT YET / HAVEN'T FOUND IT YET ( not yet to find )
10. HAVE BEEN PLAYING ( to play )
11. HAVE BEEN SLEEPING ( to sleep )
12. HAVE BEEN WAITING ( to wait )
13. I HAVE NOT RECEIVED IT YET / I HAVEN'T RECEIVED IT YET ( not yet to receive )
14. HAS already BEEN DOING ( to do )
HAS NOT DONE half of it YET / HASN'T DONE half of it YET ( not to do )
15. WERE you DOING ( to do )
WAS READING ( to read )
16. HAVE NOT HEARD / HAVEN'T HEARD ( to hear )
17. RECIEVED ( to receive)
I HAVE NOT RECEIVED a letter from my parents YET ( not yet to receive )
18. WAS ( to be )
WAS SHINING ( to shine )
19. WIND ( to wind )
20. ARE you DOING ( to do )
HAVE BEEN WAITING ( to wait )
21. ARE your GLOVES ( to be )
PUT ( to put )
22. AM STAYING ( to stay )
HAVE BEEN STAYING ( to stay )
AM HAVING ( to have )
TOOK ( to take )
SAW ( to see )
TOOK ( to take )
RISES ( to rise )
PROVIDES ( to provide )
23. AM GOING ( to go )
AM ( to be )
IS STARVING ( to starve )
FED ( to feed )
