English verb conjugation MUST DISTINGUISH

Regular verb: distinguish - distinguished - distinguished

Affirmation

Simple form

I must distinguish
you must distinguish
she must distinguish
we must distinguish
you must distinguish
they must distinguish

V-ing form

I must be distinguishing
you must be distinguishing
she must be distinguishing
we must be distinguishing
you must be distinguishing
they must be distinguishing

Perfect

I must have distinguished
you must have distinguished
she must have distinguished
we must have distinguished
you must have distinguished
they must have distinguished

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

I mustn't have been distinguishing
you mustn't have been distinguishing
she mustn't have been distinguishing
we mustn't have been distinguishing
you mustn't have been distinguishing
they mustn't have been distinguishing

Interrogative form

Simple form

must I distinguish?
must you distinguish?
must she distinguish?
must we distinguish?
must you distinguish?
must they distinguish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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