English verb conjugation
COULD TEST-DRIVE

Irregular verb: test-drive - test-drove - test-driven

Affirmation

Simple form	V-ing form
I could test-drive you could test-drive he could test-drive we could test-drive you could test-drive they could test-drive	I could be test-driving you could be test-driving he could be test-driving we could be test-driving you could be test-driving they could be test-driving
Perfect	V-ing perfect
I could have test-driven you could have test-driven he could have test-driven we could have test-driven you could have test-driven they could have test-driven	I could have been test-driving you could have been test-driving he could have been test-driving we could have been test-driving you could have been test-driving they could have been test-driving

Negation

Simple form	V-ing form
I couldn't test-drive you couldn't test-drive he couldn't test-drive we couldn't test-drive you couldn't test-drive they couldn't test-drive	I couldn't be test-driving you couldn't be test-driving he couldn't be test-driving we couldn't be test-driving you couldn't be test-driving they couldn't be test-driving
Perfect	V-ing perfect
I couldn't have test-driven you couldn't have test-driven he couldn't have test-driven we couldn't have test-driven you couldn't have test-driven they couldn't have test-driven	I couldn't have been test-driving you couldn't have been test-driving he couldn't have been test-driving we couldn't have been test-driving you couldn't have been test-driving they couldn't have been test-driving

Interrogative form

Simple form	V-ing form
could I test-drive? could you test-drive? could he test-drive? could we test-drive? could you test-drive? could they test-drive?	could I be test-driving? could you be test-driving? could he be test-driving? could we be test-driving? could you be test-driving? could they be test-driving?
Perfect	V-ing perfect
could I have test-driven? could you have test-driven? could he have test-driven? could we have test-driven? could you have test-driven? could they have test-driven?	could I have been test-driving? could you have been test-driving? could he have been test-driving? could we have been test-driving? could you have been test-driving? could they have been test-driving?

Interro-negative form

Simple form	V-ing form
couldn't I test-drive? couldn't you test-drive? couldn't he test-drive? couldn't we test-drive? couldn't you test-drive? couldn't they test-drive?	couldn't I be test-driving? couldn't you be test-driving? couldn't he be test-driving? couldn't we be test-driving? couldn't you be test-driving? couldn't they be test-driving?
Perfect	V-ing perfect
couldn't I have test-driven? couldn't you have test-driven? couldn't he have test-driven? couldn't we have test-driven? couldn't you have test-driven? couldn't they have test-driven?	couldn't I have been test-driving? couldn't you have been test-driving? couldn't he have been test-driving? couldn't we have been test-driving? couldn't you have been test-driving? couldn't they have been test-driving?