male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST COFFER
Regular verb: coffer - coffered - coffered
Affirmation
Simple form
I must cofferyou must coffer
she must coffer
we must coffer
you must coffer
they must coffer
V-ing form
I must be cofferingyou must be coffering
she must be coffering
we must be coffering
you must be coffering
they must be coffering
Perfect
I must have cofferedyou must have coffered
she must have coffered
we must have coffered
you must have coffered
they must have coffered
V-ing perfect
I must have been cofferingyou must have been coffering
she must have been coffering
we must have been coffering
you must have been coffering
they must have been coffering
Negation
Simple form
I mustn't cofferyou mustn't coffer
she mustn't coffer
we mustn't coffer
you mustn't coffer
they mustn't coffer
V-ing form
I mustn't be cofferingyou mustn't be coffering
she mustn't be coffering
we mustn't be coffering
you mustn't be coffering
they mustn't be coffering
Perfect
I mustn't have cofferedyou mustn't have coffered
she mustn't have coffered
we mustn't have coffered
you mustn't have coffered
they mustn't have coffered
V-ing perfect
I mustn't have been cofferingyou mustn't have been coffering
she mustn't have been coffering
we mustn't have been coffering
you mustn't have been coffering
they mustn't have been coffering
Interrogative form
Simple form
must I coffer?must you coffer?
must she coffer?
must we coffer?
must you coffer?
must they coffer?
V-ing form
must I be coffering?must you be coffering?
must she be coffering?
must we be coffering?
must you be coffering?
must they be coffering?
Perfect
must I have coffered?must you have coffered?
must she have coffered?
must we have coffered?
must you have coffered?
must they have coffered?
V-ing perfect
must I have been coffering?must you have been coffering?
must she have been coffering?
must we have been coffering?
must you have been coffering?
must they have been coffering?
Interro-negative form
Simple form
mustn't I coffer?mustn't you coffer?
mustn't she coffer?
mustn't we coffer?
mustn't you coffer?
mustn't they coffer?
V-ing form
mustn't I be coffering?mustn't you be coffering?
mustn't she be coffering?
mustn't we be coffering?
mustn't you be coffering?
mustn't they be coffering?
Perfect
mustn't I have coffered?mustn't you have coffered?
mustn't she have coffered?
mustn't we have coffered?
mustn't you have coffered?
mustn't they have coffered?
V-ing perfect
mustn't I have been coffering?mustn't you have been coffering?
mustn't she have been coffering?
mustn't we have been coffering?
mustn't you have been coffering?
mustn't they have been coffering?