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 must not cochair
you must not cochair
he must not cochair
we must not cochair
you must not cochair
they must not cochair

V-ing form

I must not be cochairing
you must not be cochairing
he must not be cochairing
we must not be cochairing
you must not be cochairing
they must not be cochairing

Perfect

I must not have cochaired
you must not have cochaired
he must not have cochaired
we must not have cochaired
you must not have cochaired
they must not have cochaired

V-ing perfect

I must not have been cochairing
you must not have been cochairing
he must not have been cochairing
we must not have been cochairing
you must not have been cochairing
they must not 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

must I not cochair?
must you not cochair?
must he not cochair?
must we not cochair?
must you not cochair?
must they not cochair?

V-ing form

must I not be cochairing?
must you not be cochairing?
must he not be cochairing?
must we not be cochairing?
must you not be cochairing?
must they not be cochairing?

Perfect

must I not have cochaired?
must you not have cochaired?
must he not have cochaired?
must we not have cochaired?
must you not have cochaired?
must they not have cochaired?

V-ing perfect

must I not have been cochairing?
must you not have been cochairing?
must he not have been cochairing?
must we not have been cochairing?
must you not have been cochairing?
must they not have been cochairing?

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