English verb conjugation COULD TEST

Regular verb: test - tested - tested

Affirmation

Simple form

I could test
you could test
he could test
we could test
you could test
they could test

V-ing form

I could be testing
you could be testing
he could be testing
we could be testing
you could be testing
they could be testing

Perfect

I could have tested
you could have tested
he 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
he could have been testing
we could have been testing
you could have been testing
they could have been testing

Negation

Simple form

I couldn't test
you couldn't test
he couldn't test
we couldn't test
you couldn't test
they couldn't test

V-ing form

I couldn't be testing
you couldn't be testing
he couldn't be testing
we couldn't be testing
you couldn't be testing
they couldn't be testing

Perfect

I couldn't have tested
you couldn't have tested
he couldn't have tested
we couldn't have tested
you couldn't have tested
they couldn't have tested

V-ing perfect

I couldn't have been testing
you couldn't have been testing
he couldn't have been testing
we couldn't have been testing
you couldn't have been testing
they couldn't have been testing

Interrogative form

Simple form

could I test?
could you test?
could he test?
could we test?
could you test?
could they test?

V-ing form

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

Perfect

could I have tested?
could you have tested?
could he 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 he have been testing?
could we have been testing?
could you have been testing?
could they have been testing?

Interro-negative form

Simple form

couldn't I test?
couldn't you test?
couldn't he test?
couldn't we test?
couldn't you test?
couldn't they test?

V-ing form

couldn't I be testing?
couldn't you be testing?
couldn't he be testing?
couldn't we be testing?
couldn't you be testing?
couldn't they be testing?

Perfect

couldn't I have tested?
couldn't you have tested?
couldn't he have tested?
couldn't we have tested?
couldn't you have tested?
couldn't they have tested?

V-ing perfect

couldn't I have been testing?
couldn't you have been testing?
couldn't he have been testing?
couldn't we have been testing?
couldn't you have been testing?
couldn't they have been testing?

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