English verb conjugation MUST BURROW

Regular verb: burrow - burrowed - burrowed

Affirmation

Simple form

I must burrow
you must burrow
she must burrow
we must burrow
you must burrow
they must burrow

V-ing form

I must be burrowing
you must be burrowing
she must be burrowing
we must be burrowing
you must be burrowing
they must be burrowing

Perfect

I must have burrowed
you must have burrowed
she must have burrowed
we must have burrowed
you must have burrowed
they must have burrowed

V-ing perfect

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

Negation

Simple form

I must not burrow
you must not burrow
she must not burrow
we must not burrow
you must not burrow
they must not burrow

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I burrow?
must you burrow?
must she burrow?
must we burrow?
must you burrow?
must they burrow?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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