female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD TEST
Regular verb: test - tested - tested
Affirmation
Simple form
I could testyou could test
he could test
we could test
you could test
they could test
V-ing form
I could be testingyou could be testing
he could be testing
we could be testing
you could be testing
they could be testing
Perfect
I could have testedyou 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 testingyou 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 testyou 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 testingyou 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 testedyou 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 testingyou 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?