English verb conjugation MUST FOOL

Regular verb: fool - fooled - fooled

Affirmation

Simple form

I must fool
you must fool
she must fool
we must fool
you must fool
they must fool

V-ing form

I must be fooling
you must be fooling
she must be fooling
we must be fooling
you must be fooling
they must be fooling

Perfect

I must have fooled
you must have fooled
she 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
she 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
she 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
she 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
she 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
she 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 she fool?
must we fool?
must you fool?
must they fool?

V-ing form

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

Perfect

must I have fooled?
must you have fooled?
must she 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 she 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 she 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 she 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 she 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 she 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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