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 must not fool
you must not fool
he must not fool
we must not fool
you must not fool
they must not fool

V-ing form

I must not be fooling
you must not be fooling
he must not be fooling
we must not be fooling
you must not be fooling
they must not be fooling

Perfect

I must not have fooled
you must not have fooled
he must not have fooled
we must not have fooled
you must not have fooled
they must not have fooled

V-ing perfect

I must not have been fooling
you must not have been fooling
he must not have been fooling
we must not have been fooling
you must not have been fooling
they must not 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

must I not fool?
must you not fool?
must he not fool?
must we not fool?
must you not fool?
must they not fool?

V-ing form

must I not be fooling?
must you not be fooling?
must he not be fooling?
must we not be fooling?
must you not be fooling?
must they not be fooling?

Perfect

must I not have fooled?
must you not have fooled?
must he not have fooled?
must we not have fooled?
must you not have fooled?
must they not have fooled?

V-ing perfect

must I not have been fooling?
must you not have been fooling?
must he not have been fooling?
must we not have been fooling?
must you not have been fooling?
must they not have been fooling?

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