English verb conjugation COULD EXSERT

Regular verb: exsert - exserted - exserted

Affirmation

Simple form

I could exsert
you could exsert
he could exsert
we could exsert
you could exsert
they could exsert

V-ing form

I could be exserting
you could be exserting
he could be exserting
we could be exserting
you could be exserting
they could be exserting

Perfect

I could have exserted
you could have exserted
he could have exserted
we could have exserted
you could have exserted
they could have exserted

V-ing perfect

I could have been exserting
you could have been exserting
he could have been exserting
we could have been exserting
you could have been exserting
they could have been exserting

Negation

Simple form

I could not exsert
you could not exsert
he could not exsert
we could not exsert
you could not exsert
they could not exsert

V-ing form

I could not be exserting
you could not be exserting
he could not be exserting
we could not be exserting
you could not be exserting
they could not be exserting

Perfect

I could not have exserted
you could not have exserted
he could not have exserted
we could not have exserted
you could not have exserted
they could not have exserted

V-ing perfect

I could not have been exserting
you could not have been exserting
he could not have been exserting
we could not have been exserting
you could not have been exserting
they could not have been exserting

Interrogative form

Simple form

could I exsert?
could you exsert?
could he exsert?
could we exsert?
could you exsert?
could they exsert?

V-ing form

could I be exserting?
could you be exserting?
could he be exserting?
could we be exserting?
could you be exserting?
could they be exserting?

Perfect

could I have exserted?
could you have exserted?
could he have exserted?
could we have exserted?
could you have exserted?
could they have exserted?

V-ing perfect

could I have been exserting?
could you have been exserting?
could he have been exserting?
could we have been exserting?
could you have been exserting?
could they have been exserting?

Interro-negative form

Simple form

could I not exsert?
could you not exsert?
could he not exsert?
could we not exsert?
could you not exsert?
could they not exsert?

V-ing form

could I not be exserting?
could you not be exserting?
could he not be exserting?
could we not be exserting?
could you not be exserting?
could they not be exserting?

Perfect

could I not have exserted?
could you not have exserted?
could he not have exserted?
could we not have exserted?
could you not have exserted?
could they not have exserted?

V-ing perfect

could I not have been exserting?
could you not have been exserting?
could he not have been exserting?
could we not have been exserting?
could you not have been exserting?
could they not have been exserting?

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