English verb conjugation COULD SKIM

Regular verb: skim - skimmed - skimmed

Affirmation

Simple form

I could skim
you could skim
she could skim
we could skim
you could skim
they could skim

V-ing form

I could be skimming
you could be skimming
she could be skimming
we could be skimming
you could be skimming
they could be skimming

Perfect

I could have skimmed
you could have skimmed
she could have skimmed
we could have skimmed
you could have skimmed
they could have skimmed

V-ing perfect

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

Negation

Simple form

I could not skim
you could not skim
she could not skim
we could not skim
you could not skim
they could not skim

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I skim?
could you skim?
could she skim?
could we skim?
could you skim?
could they skim?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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