English verb conjugation MUST GRATULATE

Regular verb: gratulate - gratulated - gratulated

Affirmation

Simple form

I must gratulate
you must gratulate
he must gratulate
we must gratulate
you must gratulate
they must gratulate

V-ing form

I must be gratulating
you must be gratulating
he must be gratulating
we must be gratulating
you must be gratulating
they must be gratulating

Perfect

I must have gratulated
you must have gratulated
he must have gratulated
we must have gratulated
you must have gratulated
they must have gratulated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gratulate?
must you gratulate?
must he gratulate?
must we gratulate?
must you gratulate?
must they gratulate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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