English verb conjugation MUST FOOL

Regular verb: fool - fooled - fooled

Affirmation

Simple form

I must fool
you must fool
he must fool
we must fool
you must fool
they must fool

V-ing form

I must be fooling
you must be fooling
he must be fooling
we must be fooling
you must be fooling
they must be fooling

Perfect

I must have fooled
you must have fooled
he must have fooled
we must have fooled
you must have fooled
they must have fooled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I fool?
must you fool?
must he fool?
must we fool?
must you fool?
must they fool?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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