English verb conjugation COULD WINTERKILL

Regular verb: winterkill - winterkilled - winterkilled

Affirmation

Simple form

I could winterkill
you could winterkill
she could winterkill
we could winterkill
you could winterkill
they could winterkill

V-ing form

I could be winterkilling
you could be winterkilling
she could be winterkilling
we could be winterkilling
you could be winterkilling
they could be winterkilling

Perfect

I could have winterkilled
you could have winterkilled
she 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
she could have been winterkilling
we could have been winterkilling
you could have been winterkilling
they could have been winterkilling

Negation

Simple form

I couldn't winterkill
you couldn't winterkill
she couldn't winterkill
we couldn't winterkill
you couldn't winterkill
they couldn't winterkill

V-ing form

I couldn't be winterkilling
you couldn't be winterkilling
she couldn't be winterkilling
we couldn't be winterkilling
you couldn't be winterkilling
they couldn't be winterkilling

Perfect

I couldn't have winterkilled
you couldn't have winterkilled
she couldn't have winterkilled
we couldn't have winterkilled
you couldn't have winterkilled
they couldn't have winterkilled

V-ing perfect

I couldn't have been winterkilling
you couldn't have been winterkilling
she couldn't have been winterkilling
we couldn't have been winterkilling
you couldn't have been winterkilling
they couldn't have been winterkilling

Interrogative form

Simple form

could I winterkill?
could you winterkill?
could she winterkill?
could we winterkill?
could you winterkill?
could they winterkill?

V-ing form

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

Perfect

could I have winterkilled?
could you have winterkilled?
could she 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 she have been winterkilling?
could we have been winterkilling?
could you have been winterkilling?
could they have been winterkilling?

Interro-negative form

Simple form

couldn't I winterkill?
couldn't you winterkill?
couldn't she winterkill?
couldn't we winterkill?
couldn't you winterkill?
couldn't they winterkill?

V-ing form

couldn't I be winterkilling?
couldn't you be winterkilling?
couldn't she be winterkilling?
couldn't we be winterkilling?
couldn't you be winterkilling?
couldn't they be winterkilling?

Perfect

couldn't I have winterkilled?
couldn't you have winterkilled?
couldn't she have winterkilled?
couldn't we have winterkilled?
couldn't you have winterkilled?
couldn't they have winterkilled?

V-ing perfect

couldn't I have been winterkilling?
couldn't you have been winterkilling?
couldn't she have been winterkilling?
couldn't we have been winterkilling?
couldn't you have been winterkilling?
couldn't they have been winterkilling?

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