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

English verb conjugation MUST BEHAVE

Regular verb: behave - behaved - behaved


Affirmation

Simple form
I must behave
you must behave
she must behave
we must behave
you must behave
they must behave
V-ing form
I must be behaving
you must be behaving
she must be behaving
we must be behaving
you must be behaving
they must be behaving
Perfect
I must have behaved
you must have behaved
she must have behaved
we must have behaved
you must have behaved
they must have behaved
V-ing perfect
I must have been behaving
you must have been behaving
she must have been behaving
we must have been behaving
you must have been behaving
they must have been behaving

Negation

Simple form
I must not behave
you must not behave
she must not behave
we must not behave
you must not behave
they must not behave
V-ing form
I must not be behaving
you must not be behaving
she must not be behaving
we must not be behaving
you must not be behaving
they must not be behaving
Perfect
I must not have behaved
you must not have behaved
she must not have behaved
we must not have behaved
you must not have behaved
they must not have behaved
V-ing perfect
I must not have been behaving
you must not have been behaving
she must not have been behaving
we must not have been behaving
you must not have been behaving
they must not have been behaving

Interrogative form

Simple form
must I behave?
must you behave?
must she behave?
must we behave?
must you behave?
must they behave?
V-ing form
must I be behaving?
must you be behaving?
must she be behaving?
must we be behaving?
must you be behaving?
must they be behaving?
Perfect
must I have behaved?
must you have behaved?
must she have behaved?
must we have behaved?
must you have behaved?
must they have behaved?
V-ing perfect
must I have been behaving?
must you have been behaving?
must she have been behaving?
must we have been behaving?
must you have been behaving?
must they have been behaving?

Interro-negative form

Simple form
must I not behave?
must you not behave?
must she not behave?
must we not behave?
must you not behave?
must they not behave?
V-ing form
must I not be behaving?
must you not be behaving?
must she not be behaving?
must we not be behaving?
must you not be behaving?
must they not be behaving?
Perfect
must I not have behaved?
must you not have behaved?
must she not have behaved?
must we not have behaved?
must you not have behaved?
must they not have behaved?
V-ing perfect
must I not have been behaving?
must you not have been behaving?
must she not have been behaving?
must we not have been behaving?
must you not have been behaving?
must they not have been behaving?