This grammar exercise tests your ability to use modal auxiliary verbs correctly.
Complete the following sentences using appropriate modal auxiliary verbs.
1If you are the owner of this bull, you ............... be able to tell us which of its eyes is blind.
Wrong!
2I ............... do something to help them.
Wrong!
3............... you come with me?
Wrong!
4The traveller felt that he ............... be going on, but pity held him back.
Wrong!
5............... I open the window?
Wrong!
6If they started in the morning, they ............... be here soon.
Wrong!
7In the not-so-distant future, humans ............... colonize Mars.
Wrong!
8You ............... work overtime to make up for it.
Wrong!
Done.
Score: 0/8
Answers
- If you are the owner of this bull, you should be able to tell us which of its eyes is blind.
- I must do something to help them.
- Will you come with me?
- The traveller felt that he ought to be going on, but pity held him back.
- Should I open the window?
- If they started in the morning, they should be here soon.
- In the not-so-distant future, humans may colonize Mars.
- You must work overtime to make up for it.

