English verb conjugation COULD TEST

Regular verb: test - tested - tested

Affirmation

Simple form

I could test
you could test
she could test
we could test
you could test
they could test

V-ing form

I could be testing
you could be testing
she could be testing
we could be testing
you could be testing
they could be testing

Perfect

I could have tested
you could have tested
she could have tested
we could have tested
you could have tested
they could have tested

V-ing perfect

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

Negation

Simple form

I could not test
you could not test
she could not test
we could not test
you could not test
they could not test

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I test?
could you test?
could she test?
could we test?
could you test?
could they test?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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