The Conjugator
English verb conjugation
MUST THINK

Irregular verb: think - thought - thought

Affirmation

Simple form

V-ing form

I must think
you must think
he must think
we must think
you must think
they must think
I must be thinking
you must be thinking
he must be thinking
we must be thinking
you must be thinking
they must be thinking

Perfect

V-ing perfect

I must have thought
you must have thought
he must have thought
we must have thought
you must have thought
they must have thought
I must have been thinking
you must have been thinking
he must have been thinking
we must have been thinking
you must have been thinking
they must have been thinking

Negation

Simple form

V-ing form

I mustn't think
you mustn't think
he mustn't think
we mustn't think
you mustn't think
they mustn't think
I mustn't be thinking
you mustn't be thinking
he mustn't be thinking
we mustn't be thinking
you mustn't be thinking
they mustn't be thinking

Perfect

V-ing perfect

I mustn't have thought
you mustn't have thought
he mustn't have thought
we mustn't have thought
you mustn't have thought
they mustn't have thought
I mustn't have been thinking
you mustn't have been thinking
he mustn't have been thinking
we mustn't have been thinking
you mustn't have been thinking
they mustn't have been thinking

Interrogative form

Simple form

V-ing form

must I think?
must you think?
must he think?
must we think?
must you think?
must they think?
must I be thinking?
must you be thinking?
must he be thinking?
must we be thinking?
must you be thinking?
must they be thinking?

Perfect

V-ing perfect

must I have thought?
must you have thought?
must he have thought?
must we have thought?
must you have thought?
must they have thought?
must I have been thinking?
must you have been thinking?
must he have been thinking?
must we have been thinking?
must you have been thinking?
must they have been thinking?

Interro-negative form

Simple form

V-ing form

mustn't I think?
mustn't you think?
mustn't he think?
mustn't we think?
mustn't you think?
mustn't they think?
mustn't I be thinking?
mustn't you be thinking?
mustn't he be thinking?
mustn't we be thinking?
mustn't you be thinking?
mustn't they be thinking?

Perfect

V-ing perfect

mustn't I have thought?
mustn't you have thought?
mustn't he have thought?
mustn't we have thought?
mustn't you have thought?
mustn't they have thought?
mustn't I have been thinking?
mustn't you have been thinking?
mustn't he have been thinking?
mustn't we have been thinking?
mustn't you have been thinking?
mustn't they have been thinking?