English verb conjugation MUST RAT

Regular verb: rat - ratted - ratted

Affirmation

Simple form

I must rat
you must rat
he must rat
we must rat
you must rat
they must rat

V-ing form

I must be ratting
you must be ratting
he must be ratting
we must be ratting
you must be ratting
they must be ratting

Perfect

I must have ratted
you must have ratted
he must have ratted
we must have ratted
you must have ratted
they must have ratted

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I rat?
must you rat?
must he rat?
must we rat?
must you rat?
must they rat?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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