Fill in the blanks with an appropriate auxiliary verb.
1Anybody who wants to ............... join the club.
Wrong!
Use "can" to show that joining is possible or allowed.
2I ............... have won the race if I hadn’t fallen.
Wrong!
Use "could" before have + past participle for an unreal past possibility.
3We ............... go camping in June.
Select 2 answers.
Wrong!
Use "may" or "might" to show a possible future plan.
4I was so angry I ............... have slapped him.
Wrong!
Use "could" before have + past participle for an action that was possible but did not happen.
5One day, it ............... be possible to travel to other planets.
Wrong!
Use "will" to make a prediction about the future.
6Chennai ............... be very warm throughout the year.
Wrong!
Use "can" to say that something is sometimes true or typical.
7War ............... break out any day.
Select 2 answers.
Wrong!
Use "can" or "could" to express that something is possible at any time.
8Who ............... be at the door?
Wrong!
Use "can" to ask about logical possibility in this question.
9"Where is Janet?" "She ............... be at John’s place."
Select 2 answers.
Wrong!
Use "may" or "could" to show logical possibility.
10"Where ............... we go?"
Wrong!
Use "shall" with "we" to ask for a suggestion.
11I ............... see somebody coming.
Wrong!
Use "can" with a sense verb to talk about what you perceive now.
12I can’t help but wonder what we ............... do next.
Wrong!
Use "should" to ask what the best or right action is.
Done.
Score: 0/12
Answers
- Anybody who wants to can join the club.
- I could have won the race if I hadn’t fallen.
- We may / might go camping in June.
- I was so angry I could have slapped him.
- One day, it will be possible to travel to other planets.
- Chennai can be very warm throughout the year.
- War can / could break out any day.
- Who can be at the door?
- “Where is Janet?” “She may / could be at John’s place.”
- “Where shall we go?”
- I can see somebody coming.
- I can’t help but wonder what we should do next.

