TEST OF TENSES AND VERBS

1. By the time the police arrived , the thief had jumped over the wall.
a. worked b. had worked c. would work d. could work.  None of these choices are correct.


2. The chemist claims ............. a new element.
a. discovered b. to discover c. to have discovered d. to be discovered.


3. Don't leave the room until you ............. to do so.
a. ask b. will ask c. were asked d. are asked


4. You ........ ring the bell as I have a key to the door.
a. need not b. shall not c. must not d. cannot


5. You may sleep now ; I promise you .............. disturbed.
a. cannot b. shall not be c. will not be d. may not be


6. All [the] questions ................ before I entered the room.  There are two valid choices.

a. were solved b. have been solved c. had solved d. had been solved


7. He ............. a letter last night .
a. has written b. had written c. wrote d. writes Again two valid choices.


8. None of these persons .............. my watch.
a. steal b. have stolen c. are stealing d. has stolen


9. He ............. in his plan so far .  Three valid choices here.
a. did not succeed b. has not succeeded c. has not succeeded d. would not have succeeded




10. ................. the lamp at once.  
a. burn b. fire c. lgnite d. light. e. turn on Without my additional choice, there is only one best choice.  If with mine is added, the answer depends on what kind of lamp it is or the answer will determined it for you.