English verb conjugation MUST THINK

Irregular verb: think - thought - thought

Affirmation

Simple form

I must think
you must think
she must think
we must think
you must think
they must think

V-ing form

I must be thinking
you must be thinking
she must be thinking
we must be thinking
you must be thinking
they must be thinking

Perfect

I must have thought
you must have thought
she must have thought
we must have thought
you must have thought
they must have thought

V-ing perfect

I must have been thinking
you must have been thinking
she must have been thinking
we must have been thinking
you must have been thinking
they must have been thinking

Negation

Simple form

I mustn't think
you mustn't think
she mustn't think
we mustn't think
you mustn't think
they mustn't think

V-ing form

I mustn't be thinking
you mustn't be thinking
she mustn't be thinking
we mustn't be thinking
you mustn't be thinking
they mustn't be thinking

Perfect

I mustn't have thought
you mustn't have thought
she mustn't have thought
we mustn't have thought
you mustn't have thought
they mustn't have thought

V-ing perfect

I mustn't have been thinking
you mustn't have been thinking
she 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

must I think?
must you think?
must she think?
must we think?
must you think?
must they think?

V-ing form

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

Perfect

must I have thought?
must you have thought?
must she have thought?
must we have thought?
must you have thought?
must they have thought?

V-ing perfect

must I have been thinking?
must you have been thinking?
must she have been thinking?
must we have been thinking?
must you have been thinking?
must they have been thinking?

Interro-negative form

Simple form

mustn't I think?
mustn't you think?
mustn't she think?
mustn't we think?
mustn't you think?
mustn't they think?

V-ing form

mustn't I be thinking?
mustn't you be thinking?
mustn't she be thinking?
mustn't we be thinking?
mustn't you be thinking?
mustn't they be thinking?

Perfect

mustn't I have thought?
mustn't you have thought?
mustn't she have thought?
mustn't we have thought?
mustn't you have thought?
mustn't they have thought?

V-ing perfect

mustn't I have been thinking?
mustn't you have been thinking?
mustn't she have been thinking?
mustn't we have been thinking?
mustn't you have been thinking?
mustn't they have been thinking?

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