English verb conjugation MUST FLIP

Regular verb: flip - flipped - flipped

Affirmation

Simple form

I must flip
you must flip
he must flip
we must flip
you must flip
they must flip

V-ing form

I must be flipping
you must be flipping
he must be flipping
we must be flipping
you must be flipping
they must be flipping

Perfect

I must have flipped
you must have flipped
he must have flipped
we must have flipped
you must have flipped
they must have flipped

V-ing perfect

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

Negation

Simple form

I must not flip
you must not flip
he must not flip
we must not flip
you must not flip
they must not flip

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flip?
must you flip?
must he flip?
must we flip?
must you flip?
must they flip?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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