English verb conjugation
COULD TEST-FLY

Irregular verb: test-fly - test-flew - test-flown

Affirmation

Simple form	V-ing form
I could test-fly you could test-fly he could test-fly we could test-fly you could test-fly they could test-fly	I could be test-flying you could be test-flying he could be test-flying we could be test-flying you could be test-flying they could be test-flying
Perfect	V-ing perfect
I could have test-flown you could have test-flown he could have test-flown we could have test-flown you could have test-flown they could have test-flown	I could have been test-flying you could have been test-flying he could have been test-flying we could have been test-flying you could have been test-flying they could have been test-flying

Negation

Simple form	V-ing form
I couldn't test-fly you couldn't test-fly he couldn't test-fly we couldn't test-fly you couldn't test-fly they couldn't test-fly	I couldn't be test-flying you couldn't be test-flying he couldn't be test-flying we couldn't be test-flying you couldn't be test-flying they couldn't be test-flying
Perfect	V-ing perfect
I couldn't have test-flown you couldn't have test-flown he couldn't have test-flown we couldn't have test-flown you couldn't have test-flown they couldn't have test-flown	I couldn't have been test-flying you couldn't have been test-flying he couldn't have been test-flying we couldn't have been test-flying you couldn't have been test-flying they couldn't have been test-flying

Interrogative form

Simple form	V-ing form
could I test-fly? could you test-fly? could he test-fly? could we test-fly? could you test-fly? could they test-fly?	could I be test-flying? could you be test-flying? could he be test-flying? could we be test-flying? could you be test-flying? could they be test-flying?
Perfect	V-ing perfect
could I have test-flown? could you have test-flown? could he have test-flown? could we have test-flown? could you have test-flown? could they have test-flown?	could I have been test-flying? could you have been test-flying? could he have been test-flying? could we have been test-flying? could you have been test-flying? could they have been test-flying?

Interro-negative form

Simple form	V-ing form
couldn't I test-fly? couldn't you test-fly? couldn't he test-fly? couldn't we test-fly? couldn't you test-fly? couldn't they test-fly?	couldn't I be test-flying? couldn't you be test-flying? couldn't he be test-flying? couldn't we be test-flying? couldn't you be test-flying? couldn't they be test-flying?
Perfect	V-ing perfect
couldn't I have test-flown? couldn't you have test-flown? couldn't he have test-flown? couldn't we have test-flown? couldn't you have test-flown? couldn't they have test-flown?	couldn't I have been test-flying? couldn't you have been test-flying? couldn't he have been test-flying? couldn't we have been test-flying? couldn't you have been test-flying? couldn't they have been test-flying?