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

English verb conjugation MUST PREVENT

Regular verb: prevent - prevented - prevented


Affirmation

Simple form
I must prevent
you must prevent
she must prevent
we must prevent
you must prevent
they must prevent
V-ing form
I must be preventing
you must be preventing
she must be preventing
we must be preventing
you must be preventing
they must be preventing
Perfect
I must have prevented
you must have prevented
she must have prevented
we must have prevented
you must have prevented
they must have prevented
V-ing perfect
I must have been preventing
you must have been preventing
she must have been preventing
we must have been preventing
you must have been preventing
they must have been preventing

Negation

Simple form
I must not prevent
you must not prevent
she must not prevent
we must not prevent
you must not prevent
they must not prevent
V-ing form
I must not be preventing
you must not be preventing
she must not be preventing
we must not be preventing
you must not be preventing
they must not be preventing
Perfect
I must not have prevented
you must not have prevented
she must not have prevented
we must not have prevented
you must not have prevented
they must not have prevented
V-ing perfect
I must not have been preventing
you must not have been preventing
she must not have been preventing
we must not have been preventing
you must not have been preventing
they must not have been preventing

Interrogative form

Simple form
must I prevent?
must you prevent?
must she prevent?
must we prevent?
must you prevent?
must they prevent?
V-ing form
must I be preventing?
must you be preventing?
must she be preventing?
must we be preventing?
must you be preventing?
must they be preventing?
Perfect
must I have prevented?
must you have prevented?
must she have prevented?
must we have prevented?
must you have prevented?
must they have prevented?
V-ing perfect
must I have been preventing?
must you have been preventing?
must she have been preventing?
must we have been preventing?
must you have been preventing?
must they have been preventing?

Interro-negative form

Simple form
must I not prevent?
must you not prevent?
must she not prevent?
must we not prevent?
must you not prevent?
must they not prevent?
V-ing form
must I not be preventing?
must you not be preventing?
must she not be preventing?
must we not be preventing?
must you not be preventing?
must they not be preventing?
Perfect
must I not have prevented?
must you not have prevented?
must she not have prevented?
must we not have prevented?
must you not have prevented?
must they not have prevented?
V-ing perfect
must I not have been preventing?
must you not have been preventing?
must she not have been preventing?
must we not have been preventing?
must you not have been preventing?
must they not have been preventing?