English verb conjugation COULD SEVER

Regular verb: sever - severed - severed

Affirmation

Simple form

I could sever
you could sever
he could sever
we could sever
you could sever
they could sever

V-ing form

I could be severing
you could be severing
he could be severing
we could be severing
you could be severing
they could be severing

Perfect

I could have severed
you could have severed
he could have severed
we could have severed
you could have severed
they could have severed

V-ing perfect

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

Negation

Simple form

I couldn't sever
you couldn't sever
he couldn't sever
we couldn't sever
you couldn't sever
they couldn't sever

V-ing form

I couldn't be severing
you couldn't be severing
he couldn't be severing
we couldn't be severing
you couldn't be severing
they couldn't be severing

Perfect

I couldn't have severed
you couldn't have severed
he couldn't have severed
we couldn't have severed
you couldn't have severed
they couldn't have severed

V-ing perfect

I couldn't have been severing
you couldn't have been severing
he couldn't have been severing
we couldn't have been severing
you couldn't have been severing
they couldn't have been severing

Interrogative form

Simple form

could I sever?
could you sever?
could he sever?
could we sever?
could you sever?
could they sever?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I sever?
couldn't you sever?
couldn't he sever?
couldn't we sever?
couldn't you sever?
couldn't they sever?

V-ing form

couldn't I be severing?
couldn't you be severing?
couldn't he be severing?
couldn't we be severing?
couldn't you be severing?
couldn't they be severing?

Perfect

couldn't I have severed?
couldn't you have severed?
couldn't he have severed?
couldn't we have severed?
couldn't you have severed?
couldn't they have severed?

V-ing perfect

couldn't I have been severing?
couldn't you have been severing?
couldn't he have been severing?
couldn't we have been severing?
couldn't you have been severing?
couldn't they have been severing?

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