English verb conjugation MUST OBSTRUCT

Regular verb: obstruct - obstructed - obstructed

Affirmation

Simple form

I must obstruct
you must obstruct
he must obstruct
we must obstruct
you must obstruct
they must obstruct

V-ing form

I must be obstructing
you must be obstructing
he must be obstructing
we must be obstructing
you must be obstructing
they must be obstructing

Perfect

I must have obstructed
you must have obstructed
he must have obstructed
we must have obstructed
you must have obstructed
they must have obstructed

V-ing perfect

I must have been obstructing
you must have been obstructing
he must have been obstructing
we must have been obstructing
you must have been obstructing
they must have been obstructing

Negation

Simple form

I must not obstruct
you must not obstruct
he must not obstruct
we must not obstruct
you must not obstruct
they must not obstruct

V-ing form

I must not be obstructing
you must not be obstructing
he must not be obstructing
we must not be obstructing
you must not be obstructing
they must not be obstructing

Perfect

I must not have obstructed
you must not have obstructed
he must not have obstructed
we must not have obstructed
you must not have obstructed
they must not have obstructed

V-ing perfect

I must not have been obstructing
you must not have been obstructing
he must not have been obstructing
we must not have been obstructing
you must not have been obstructing
they must not have been obstructing

Interrogative form

Simple form

must I obstruct?
must you obstruct?
must he obstruct?
must we obstruct?
must you obstruct?
must they obstruct?

V-ing form

must I be obstructing?
must you be obstructing?
must he be obstructing?
must we be obstructing?
must you be obstructing?
must they be obstructing?

Perfect

must I have obstructed?
must you have obstructed?
must he have obstructed?
must we have obstructed?
must you have obstructed?
must they have obstructed?

V-ing perfect

must I have been obstructing?
must you have been obstructing?
must he have been obstructing?
must we have been obstructing?
must you have been obstructing?
must they have been obstructing?

Interro-negative form

Simple form

must I not obstruct?
must you not obstruct?
must he not obstruct?
must we not obstruct?
must you not obstruct?
must they not obstruct?

V-ing form

must I not be obstructing?
must you not be obstructing?
must he not be obstructing?
must we not be obstructing?
must you not be obstructing?
must they not be obstructing?

Perfect

must I not have obstructed?
must you not have obstructed?
must he not have obstructed?
must we not have obstructed?
must you not have obstructed?
must they not have obstructed?

V-ing perfect

must I not have been obstructing?
must you not have been obstructing?
must he not have been obstructing?
must we not have been obstructing?
must you not have been obstructing?
must they not have been obstructing?

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