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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST BACKFLIP

Regular verb: backflip - backfliped - backfliped


Affirmation

Simple form
I must backflip
you must backflip
she must backflip
we must backflip
you must backflip
they must backflip
V-ing form
I must be backfliping
you must be backfliping
she must be backfliping
we must be backfliping
you must be backfliping
they must be backfliping
Perfect
I must have backfliped
you must have backfliped
she must have backfliped
we must have backfliped
you must have backfliped
they must have backfliped
V-ing perfect
I must have been backfliping
you must have been backfliping
she must have been backfliping
we must have been backfliping
you must have been backfliping
they must have been backfliping

Negation

Simple form
I mustn't backflip
you mustn't backflip
she mustn't backflip
we mustn't backflip
you mustn't backflip
they mustn't backflip
V-ing form
I mustn't be backfliping
you mustn't be backfliping
she mustn't be backfliping
we mustn't be backfliping
you mustn't be backfliping
they mustn't be backfliping
Perfect
I mustn't have backfliped
you mustn't have backfliped
she mustn't have backfliped
we mustn't have backfliped
you mustn't have backfliped
they mustn't have backfliped
V-ing perfect
I mustn't have been backfliping
you mustn't have been backfliping
she mustn't have been backfliping
we mustn't have been backfliping
you mustn't have been backfliping
they mustn't have been backfliping

Interrogative form

Simple form
must I backflip?
must you backflip?
must she backflip?
must we backflip?
must you backflip?
must they backflip?
V-ing form
must I be backfliping?
must you be backfliping?
must she be backfliping?
must we be backfliping?
must you be backfliping?
must they be backfliping?
Perfect
must I have backfliped?
must you have backfliped?
must she have backfliped?
must we have backfliped?
must you have backfliped?
must they have backfliped?
V-ing perfect
must I have been backfliping?
must you have been backfliping?
must she have been backfliping?
must we have been backfliping?
must you have been backfliping?
must they have been backfliping?

Interro-negative form

Simple form
mustn't I backflip?
mustn't you backflip?
mustn't she backflip?
mustn't we backflip?
mustn't you backflip?
mustn't they backflip?
V-ing form
mustn't I be backfliping?
mustn't you be backfliping?
mustn't she be backfliping?
mustn't we be backfliping?
mustn't you be backfliping?
mustn't they be backfliping?
Perfect
mustn't I have backfliped?
mustn't you have backfliped?
mustn't she have backfliped?
mustn't we have backfliped?
mustn't you have backfliped?
mustn't they have backfliped?
V-ing perfect
mustn't I have been backfliping?
mustn't you have been backfliping?
mustn't she have been backfliping?
mustn't we have been backfliping?
mustn't you have been backfliping?
mustn't they have been backfliping?