English verb conjugation MUST DESIGN

Regular verb: design - designed - designed

Affirmation

Simple form

I must design
you must design
she must design
we must design
you must design
they must design

V-ing form

I must be designing
you must be designing
she must be designing
we must be designing
you must be designing
they must be designing

Perfect

I must have designed
you must have designed
she must have designed
we must have designed
you must have designed
they must have designed

V-ing perfect

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

Negation

Simple form

I must not design
you must not design
she must not design
we must not design
you must not design
they must not design

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I design?
must you design?
must she design?
must we design?
must you design?
must they design?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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