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

English verb conjugation MUST FROG

Regular verb: frog - froged - froged


Affirmation

Simple form
I must frog
you must frog
he must frog
we must frog
you must frog
they must frog
V-ing form
I must be froging
you must be froging
he must be froging
we must be froging
you must be froging
they must be froging
Perfect
I must have froged
you must have froged
he must have froged
we must have froged
you must have froged
they must have froged
V-ing perfect
I must have been froging
you must have been froging
he must have been froging
we must have been froging
you must have been froging
they must have been froging

Negation

Simple form
I mustn't frog
you mustn't frog
he mustn't frog
we mustn't frog
you mustn't frog
they mustn't frog
V-ing form
I mustn't be froging
you mustn't be froging
he mustn't be froging
we mustn't be froging
you mustn't be froging
they mustn't be froging
Perfect
I mustn't have froged
you mustn't have froged
he mustn't have froged
we mustn't have froged
you mustn't have froged
they mustn't have froged
V-ing perfect
I mustn't have been froging
you mustn't have been froging
he mustn't have been froging
we mustn't have been froging
you mustn't have been froging
they mustn't have been froging

Interrogative form

Simple form
must I frog?
must you frog?
must he frog?
must we frog?
must you frog?
must they frog?
V-ing form
must I be froging?
must you be froging?
must he be froging?
must we be froging?
must you be froging?
must they be froging?
Perfect
must I have froged?
must you have froged?
must he have froged?
must we have froged?
must you have froged?
must they have froged?
V-ing perfect
must I have been froging?
must you have been froging?
must he have been froging?
must we have been froging?
must you have been froging?
must they have been froging?

Interro-negative form

Simple form
mustn't I frog?
mustn't you frog?
mustn't he frog?
mustn't we frog?
mustn't you frog?
mustn't they frog?
V-ing form
mustn't I be froging?
mustn't you be froging?
mustn't he be froging?
mustn't we be froging?
mustn't you be froging?
mustn't they be froging?
Perfect
mustn't I have froged?
mustn't you have froged?
mustn't he have froged?
mustn't we have froged?
mustn't you have froged?
mustn't they have froged?
V-ing perfect
mustn't I have been froging?
mustn't you have been froging?
mustn't he have been froging?
mustn't we have been froging?
mustn't you have been froging?
mustn't they have been froging?