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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST LAST

Regular verb: last - lasted - lasted


Affirmation

Simple form
I must last
you must last
he must last
we must last
you must last
they must last
V-ing form
I must be lasting
you must be lasting
he must be lasting
we must be lasting
you must be lasting
they must be lasting
Perfect
I must have lasted
you must have lasted
he must have lasted
we must have lasted
you must have lasted
they must have lasted
V-ing perfect
I must have been lasting
you must have been lasting
he must have been lasting
we must have been lasting
you must have been lasting
they must have been lasting

Negation

Simple form
I must not last
you must not last
he must not last
we must not last
you must not last
they must not last
V-ing form
I must not be lasting
you must not be lasting
he must not be lasting
we must not be lasting
you must not be lasting
they must not be lasting
Perfect
I must not have lasted
you must not have lasted
he must not have lasted
we must not have lasted
you must not have lasted
they must not have lasted
V-ing perfect
I must not have been lasting
you must not have been lasting
he must not have been lasting
we must not have been lasting
you must not have been lasting
they must not have been lasting

Interrogative form

Simple form
must I last?
must you last?
must he last?
must we last?
must you last?
must they last?
V-ing form
must I be lasting?
must you be lasting?
must he be lasting?
must we be lasting?
must you be lasting?
must they be lasting?
Perfect
must I have lasted?
must you have lasted?
must he have lasted?
must we have lasted?
must you have lasted?
must they have lasted?
V-ing perfect
must I have been lasting?
must you have been lasting?
must he have been lasting?
must we have been lasting?
must you have been lasting?
must they have been lasting?

Interro-negative form

Simple form
must I not last?
must you not last?
must he not last?
must we not last?
must you not last?
must they not last?
V-ing form
must I not be lasting?
must you not be lasting?
must he not be lasting?
must we not be lasting?
must you not be lasting?
must they not be lasting?
Perfect
must I not have lasted?
must you not have lasted?
must he not have lasted?
must we not have lasted?
must you not have lasted?
must they not have lasted?
V-ing perfect
must I not have been lasting?
must you not have been lasting?
must he not have been lasting?
must we not have been lasting?
must you not have been lasting?
must they not have been lasting?