English verb conjugation MUST TIRE

Regular verb: tire - tired - tired

Affirmation

Simple form

I must tire
you must tire
she must tire
we must tire
you must tire
they must tire

V-ing form

I must be tiring
you must be tiring
she must be tiring
we must be tiring
you must be tiring
they must be tiring

Perfect

I must have tired
you must have tired
she must have tired
we must have tired
you must have tired
they must have tired

V-ing perfect

I must have been tiring
you must have been tiring
she must have been tiring
we must have been tiring
you must have been tiring
they must have been tiring

Negation

Simple form

I must not tire
you must not tire
she must not tire
we must not tire
you must not tire
they must not tire

V-ing form

I must not be tiring
you must not be tiring
she must not be tiring
we must not be tiring
you must not be tiring
they must not be tiring

Perfect

I must not have tired
you must not have tired
she must not have tired
we must not have tired
you must not have tired
they must not have tired

V-ing perfect

I must not have been tiring
you must not have been tiring
she must not have been tiring
we must not have been tiring
you must not have been tiring
they must not have been tiring

Interrogative form

Simple form

must I tire?
must you tire?
must she tire?
must we tire?
must you tire?
must they tire?

V-ing form

must I be tiring?
must you be tiring?
must she be tiring?
must we be tiring?
must you be tiring?
must they be tiring?

Perfect

must I have tired?
must you have tired?
must she have tired?
must we have tired?
must you have tired?
must they have tired?

V-ing perfect

must I have been tiring?
must you have been tiring?
must she have been tiring?
must we have been tiring?
must you have been tiring?
must they have been tiring?

Interro-negative form

Simple form

must I not tire?
must you not tire?
must she not tire?
must we not tire?
must you not tire?
must they not tire?

V-ing form

must I not be tiring?
must you not be tiring?
must she not be tiring?
must we not be tiring?
must you not be tiring?
must they not be tiring?

Perfect

must I not have tired?
must you not have tired?
must she not have tired?
must we not have tired?
must you not have tired?
must they not have tired?

V-ing perfect

must I not have been tiring?
must you not have been tiring?
must she not have been tiring?
must we not have been tiring?
must you not have been tiring?
must they not have been tiring?

Page top