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 couldn't suffocate
you couldn't suffocate
she couldn't suffocate
we couldn't suffocate
you couldn't suffocate
they couldn't suffocate

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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