English verb conjugation MUST COCHAIR

Regular verb: cochair - cochaired - cochaired

Affirmation

Simple form

I must cochair
you must cochair
he must cochair
we must cochair
you must cochair
they must cochair

V-ing form

I must be cochairing
you must be cochairing
he must be cochairing
we must be cochairing
you must be cochairing
they must be cochairing

Perfect

I must have cochaired
you must have cochaired
he must have cochaired
we must have cochaired
you must have cochaired
they must have cochaired

V-ing perfect

I must have been cochairing
you must have been cochairing
he must have been cochairing
we must have been cochairing
you must have been cochairing
they must have been cochairing

Negation

Simple form

I mustn't cochair
you mustn't cochair
he mustn't cochair
we mustn't cochair
you mustn't cochair
they mustn't cochair

V-ing form

I mustn't be cochairing
you mustn't be cochairing
he mustn't be cochairing
we mustn't be cochairing
you mustn't be cochairing
they mustn't be cochairing

Perfect

I mustn't have cochaired
you mustn't have cochaired
he mustn't have cochaired
we mustn't have cochaired
you mustn't have cochaired
they mustn't have cochaired

V-ing perfect

I mustn't have been cochairing
you mustn't have been cochairing
he mustn't have been cochairing
we mustn't have been cochairing
you mustn't have been cochairing
they mustn't have been cochairing

Interrogative form

Simple form

must I cochair?
must you cochair?
must he cochair?
must we cochair?
must you cochair?
must they cochair?

V-ing form

must I be cochairing?
must you be cochairing?
must he be cochairing?
must we be cochairing?
must you be cochairing?
must they be cochairing?

Perfect

must I have cochaired?
must you have cochaired?
must he have cochaired?
must we have cochaired?
must you have cochaired?
must they have cochaired?

V-ing perfect

must I have been cochairing?
must you have been cochairing?
must he have been cochairing?
must we have been cochairing?
must you have been cochairing?
must they have been cochairing?

Interro-negative form

Simple form

mustn't I cochair?
mustn't you cochair?
mustn't he cochair?
mustn't we cochair?
mustn't you cochair?
mustn't they cochair?

V-ing form

mustn't I be cochairing?
mustn't you be cochairing?
mustn't he be cochairing?
mustn't we be cochairing?
mustn't you be cochairing?
mustn't they be cochairing?

Perfect

mustn't I have cochaired?
mustn't you have cochaired?
mustn't he have cochaired?
mustn't we have cochaired?
mustn't you have cochaired?
mustn't they have cochaired?

V-ing perfect

mustn't I have been cochairing?
mustn't you have been cochairing?
mustn't he have been cochairing?
mustn't we have been cochairing?
mustn't you have been cochairing?
mustn't they have been cochairing?

Page top