Modal Auxiliaries
Now let's continue the same topic.
1) Might
The modal "might" is used to show a possibility.
Example:
1) To show a possibility
a) The instructor might come to the class late today. (Present tense)
b) The instructor might have come to the class late yesterday. (Past tense)
Now let's have a look at the next modal.
2) Should
The modal "should" is used to show advisability, obligation, or expectation. It can be used to show or express any of the three.
Example:
1) To show advisability
a) You should try the new restaurant downtown. (Present tense)
b) You should have tried the new restaurant downtown. (Past tense)
2) To show obligation
a) I should renew my driver's license. (Present tense)
b) I should have renewed my driver's license. (Past tense)
3) To show expectation
a) You should receive my letter in two days. (Present tense)
b) You should have received my letter in two days. (Past tense)
Now let's look at the next modal.
3) Ought to
The modal "ought to" is used to show advisability and obligation. It is also used to show expectations.
Example:
1) To show advisability
a) You ought to exercise regularly. (Present tense)
b) You ought to have exercised regularly. (Present tense)
2) To show obligation
a) I ought to register to vote. (Present Tense)
b) I ought to have registered to vote by October. (Past tense)
3) To show expectation
a) You ought to receive my letter in two days. (Present tense)
b) You ought to have received my letter two days ago. (Past tense)
Now let's go forward with the next modal.
4) Had better
This modal "had better" is mainly used to show advisability.
Example:
1) To show advisability
a) We had better leave. It is getting late. (Present tense)
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