English verb conjugation COULD SUFFOCATE

Regular verb: suffocate - suffocated - suffocated

Affirmation

Simple form

I could suffocate
you could suffocate
she could suffocate
we could suffocate
you could suffocate
they could suffocate

V-ing form

I could be suffocating
you could be suffocating
she could be suffocating
we could be suffocating
you could be suffocating
they could be suffocating

Perfect

I could have suffocated
you could have suffocated
she could have suffocated
we could have suffocated
you could have suffocated
they could have suffocated

V-ing perfect

I could have been suffocating
you could have been suffocating
she could have been suffocating
we could have been suffocating
you could have been suffocating
they could have been suffocating

Negation

Simple form

I could not suffocate
you could not suffocate
she could not suffocate
we could not suffocate
you could not suffocate
they could not suffocate

V-ing form

I could not be suffocating
you could not be suffocating
she could not be suffocating
we could not be suffocating
you could not be suffocating
they could not be suffocating

Perfect

I could not have suffocated
you could not have suffocated
she could not have suffocated
we could not have suffocated
you could not have suffocated
they could not have suffocated

V-ing perfect

I could not have been suffocating
you could not have been suffocating
she could not have been suffocating
we could not have been suffocating
you could not have been suffocating
they could not have been suffocating

Interrogative form

Simple form

could I suffocate?
could you suffocate?
could she suffocate?
could we suffocate?
could you suffocate?
could they suffocate?

V-ing form

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

Perfect

could I have suffocated?
could you have suffocated?
could she have suffocated?
could we have suffocated?
could you have suffocated?
could they have suffocated?

V-ing perfect

could I have been suffocating?
could you have been suffocating?
could she have been suffocating?
could we have been suffocating?
could you have been suffocating?
could they have been suffocating?

Interro-negative form

Simple form

could I not suffocate?
could you not suffocate?
could she not suffocate?
could we not suffocate?
could you not suffocate?
could they not suffocate?

V-ing form

could I not be suffocating?
could you not be suffocating?
could she not be suffocating?
could we not be suffocating?
could you not be suffocating?
could they not be suffocating?

Perfect

could I not have suffocated?
could you not have suffocated?
could she not have suffocated?
could we not have suffocated?
could you not have suffocated?
could they not have suffocated?

V-ing perfect

could I not have been suffocating?
could you not have been suffocating?
could she not have been suffocating?
could we not have been suffocating?
could you not have been suffocating?
could they not have been suffocating?

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