Fill in the blanks with should, must or had better.
1The restaurant is very busy, so you ............... reserve a table.
Wrong!
Use "had better" for advice with a possible negative result.
2It is a nice movie. You ............... see it.
Wrong!
Use "should" for friendly advice or a recommendation.
3The meeting starts at 3:30. I ............... go now, or I will be late.
Select 2 answers.
Wrong!
"Had better" and "should" both give advice here, but "had better" sounds more urgent.
4These candies are delicious. You ............... try one.
Wrong!
Use "should" for a friendly recommendation.
5We ............... tell her before she finds out.
Select 2 answers.
Wrong!
"Had better" and "should" are both possible for advice before a problem happens.
6I had better wait, ...............?
Wrong!
The correct question tag after "I had better" is "hadn't I".
7He doesn't have much patience. You ............... disturb him.
Wrong!
Use "had better not" for a strong warning not to do something.
8I won't tell anybody. You ...............
Wrong!
Use "had better not" as a short warning meaning do not do it.
9I promise I will pay you back. You ...............
Wrong!
Use "had better" for a strong warning or expectation.
10You ............... turn that music down before I call the police.
Wrong!
Use "had better" when there may be a negative result if the advice is not followed.
11She ............... learn some manners.
Wrong!
Use "should" for general advice about better behavior.
12You ............... be over 18 to vote.
Wrong!
Use "must" for a rule or legal requirement.
Done.
Score: 0/12
Answers
- The restaurant is very busy, so you had better reserve a table.
- It is a nice movie. You should see it.
- The meeting starts at 3:30. I had better / should go now, or I will be late.
- These candies are delicious. You should try one.
- We had better / should tell her before she finds out.
- I had better wait, hadn’t I?
- He doesn’t have much patience. You had better not disturb him.
- I won’t tell anybody. You had better not
- I promise I will pay you back. You had better
- You had better turn that music down before I call the police.
- She should learn some manners.
- You must be over 18 to vote.

