English verb conjugation MUST DEVISE

Regular verb: devise - devised - devised

Affirmation

Simple form

I must devise
you must devise
he must devise
we must devise
you must devise
they must devise

V-ing form

I must be devising
you must be devising
he must be devising
we must be devising
you must be devising
they must be devising

Perfect

I must have devised
you must have devised
he must have devised
we must have devised
you must have devised
they must have devised

V-ing perfect

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

Negation

Simple form

I must not devise
you must not devise
he must not devise
we must not devise
you must not devise
they must not devise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I devise?
must you devise?
must he devise?
must we devise?
must you devise?
must they devise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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