Skills

Levels

Modals Chart

Modal


Past Modal


Negative


Negative Past

Can


Could


Can't
Cannot


Couldn't
Could not

Could


Could have


Could not


Couldn't have
Could not have

Will


Would


Won't
Will not


Wouldn't
Would not

Would


Would have


Wouldn't
Would not


Wouldn't have
Would not have

May


May have


May not


May not have

Might


Might have


Might not


Might not have

Should


Should have


Should not


Should not have

Must


Had to
Must have


Must not
Mustn't


Must not have

Ought to


Ought to have


Ought not to


Ought not to have

Have to
Has to


Had to


Don't have to
Doesn't have to


Didn't have to
Did not have to

Have got to
Has got to







Be going to
Be supposed to


Was/were


Is/are/am/not going to
Isn't/aren't/am not supposed to


Wasn't/weren't going to
Wasn't/weren't supposed to

Be able to


Was/were able to


Isn't/aren't able to


Wasn't/weren't able to

Be to


Was/were to


Is/are/am/not to


Wasn't/weren't to

Need to
Needs to


Needed to


Doesn't need to


Didn't need to
Needn't

Had better




Had better not



Used to




Didn't use to



Be about to


Was/were about to


Is/are/am not about to


Wasn't/weren't about to

Would rather


Would rather have


Would rather not


Would rather not have

See also:
Grammar: Basic Modals
Grammar: Common Modal Usage
Grammar: Past Modals

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Last updated: 15 February, 2010 02:43:16