English verb conjugation MUST TREPAN

Regular verb: trepan - trepanned - trepanned

Affirmation

Simple form

I must trepan
you must trepan
he must trepan
we must trepan
you must trepan
they must trepan

V-ing form

I must be trepanning
you must be trepanning
he must be trepanning
we must be trepanning
you must be trepanning
they must be trepanning

Perfect

I must have trepanned
you must have trepanned
he must have trepanned
we must have trepanned
you must have trepanned
they must have trepanned

V-ing perfect

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

Negation

Simple form

I must not trepan
you must not trepan
he must not trepan
we must not trepan
you must not trepan
they must not trepan

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I trepan?
must you trepan?
must he trepan?
must we trepan?
must you trepan?
must they trepan?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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