English verb conjugation MUST DESIGN

Regular verb: design - designed - designed

Affirmation

Simple form

I must design
you must design
he must design
we must design
you must design
they must design

V-ing form

I must be designing
you must be designing
he must be designing
we must be designing
you must be designing
they must be designing

Perfect

I must have designed
you must have designed
he 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
he must have been designing
we must have been designing
you must have been designing
they must have been designing

Negation

Simple form

I mustn't design
you mustn't design
he mustn't design
we mustn't design
you mustn't design
they mustn't design

V-ing form

I mustn't be designing
you mustn't be designing
he mustn't be designing
we mustn't be designing
you mustn't be designing
they mustn't be designing

Perfect

I mustn't have designed
you mustn't have designed
he mustn't have designed
we mustn't have designed
you mustn't have designed
they mustn't have designed

V-ing perfect

I mustn't have been designing
you mustn't have been designing
he mustn't have been designing
we mustn't have been designing
you mustn't have been designing
they mustn't have been designing

Interrogative form

Simple form

must I design?
must you design?
must he design?
must we design?
must you design?
must they design?

V-ing form

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

Perfect

must I have designed?
must you have designed?
must he 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 he have been designing?
must we have been designing?
must you have been designing?
must they have been designing?

Interro-negative form

Simple form

mustn't I design?
mustn't you design?
mustn't he design?
mustn't we design?
mustn't you design?
mustn't they design?

V-ing form

mustn't I be designing?
mustn't you be designing?
mustn't he be designing?
mustn't we be designing?
mustn't you be designing?
mustn't they be designing?

Perfect

mustn't I have designed?
mustn't you have designed?
mustn't he have designed?
mustn't we have designed?
mustn't you have designed?
mustn't they have designed?

V-ing perfect

mustn't I have been designing?
mustn't you have been designing?
mustn't he have been designing?
mustn't we have been designing?
mustn't you have been designing?
mustn't they have been designing?

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