English verb conjugation MUST CRASH

Regular verb: crash - crashed - crashed

Affirmation

Simple form

I must crash
you must crash
he must crash
we must crash
you must crash
they must crash

V-ing form

I must be crashing
you must be crashing
he must be crashing
we must be crashing
you must be crashing
they must be crashing

Perfect

I must have crashed
you must have crashed
he must have crashed
we must have crashed
you must have crashed
they must have crashed

V-ing perfect

I must have been crashing
you must have been crashing
he must have been crashing
we must have been crashing
you must have been crashing
they must have been crashing

Negation

Simple form

I must not crash
you must not crash
he must not crash
we must not crash
you must not crash
they must not crash

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I crash?
must you crash?
must he crash?
must we crash?
must you crash?
must they crash?

V-ing form

must I be crashing?
must you be crashing?
must he be crashing?
must we be crashing?
must you be crashing?
must they be crashing?

Perfect

must I have crashed?
must you have crashed?
must he have crashed?
must we have crashed?
must you have crashed?
must they have crashed?

V-ing perfect

must I have been crashing?
must you have been crashing?
must he have been crashing?
must we have been crashing?
must you have been crashing?
must they have been crashing?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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