English verb conjugation COULD WINTERKILL

Regular verb: winterkill - winterkilled - winterkilled

Affirmation

Simple form

I could winterkill
you could winterkill
he could winterkill
we could winterkill
you could winterkill
they could winterkill

V-ing form

I could be winterkilling
you could be winterkilling
he could be winterkilling
we could be winterkilling
you could be winterkilling
they could be winterkilling

Perfect

I could have winterkilled
you could have winterkilled
he could have winterkilled
we could have winterkilled
you could have winterkilled
they could have winterkilled

V-ing perfect

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

Negation

Simple form

I could not winterkill
you could not winterkill
he could not winterkill
we could not winterkill
you could not winterkill
they could not winterkill

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I winterkill?
could you winterkill?
could he winterkill?
could we winterkill?
could you winterkill?
could they winterkill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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