English verb conjugation COULD COMMENT

Regular verb: comment - commented - commented

Affirmation

Simple form

I could comment
you could comment
he could comment
we could comment
you could comment
they could comment

V-ing form

I could be commenting
you could be commenting
he could be commenting
we could be commenting
you could be commenting
they could be commenting

Perfect

I could have commented
you could have commented
he could have commented
we could have commented
you could have commented
they could have commented

V-ing perfect

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

Negation

Simple form

I could not comment
you could not comment
he could not comment
we could not comment
you could not comment
they could not comment

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I comment?
could you comment?
could he comment?
could we comment?
could you comment?
could they comment?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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