Regular verb: look through - look throughed - look throughed
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could look through you could look through he could look through we could look through you could look through they could look through
V-ing form
I could be look throughing you could be look throughing he could be look throughing we could be look throughing you could be look throughing they could be look throughing
Perfect
I could have look throughed you could have look throughed he could have look throughed we could have look throughed you could have look throughed they could have look throughed
V-ing perfect
I could have been look throughing you could have been look throughing he could have been look throughing we could have been look throughing you could have been look throughing they could have been look throughing
Negation
Simple form
I could not look through you could not look through he could not look through we could not look through you could not look through they could not look through
V-ing form
I could not be look throughing you could not be look throughing he could not be look throughing we could not be look throughing you could not be look throughing they could not be look throughing
Perfect
I could not have look throughed you could not have look throughed he could not have look throughed we could not have look throughed you could not have look throughed they could not have look throughed
V-ing perfect
I could not have been look throughing you could not have been look throughing he could not have been look throughing we could not have been look throughing you could not have been look throughing they could not have been look throughing
Interrogative form
Simple form
could I look through? could you look through? could he look through? could we look through? could you look through? could they look through?
V-ing form
could I be look throughing? could you be look throughing? could he be look throughing? could we be look throughing? could you be look throughing? could they be look throughing?
Perfect
could I have look throughed? could you have look throughed? could he have look throughed? could we have look throughed? could you have look throughed? could they have look throughed?
V-ing perfect
could I have been look throughing? could you have been look throughing? could he have been look throughing? could we have been look throughing? could you have been look throughing? could they have been look throughing?
Interro-negative form
Simple form
could I not look through? could you not look through? could he not look through? could we not look through? could you not look through? could they not look through?
V-ing form
could I not be look throughing? could you not be look throughing? could he not be look throughing? could we not be look throughing? could you not be look throughing? could they not be look throughing?
Perfect
could I not have look throughed? could you not have look throughed? could he not have look throughed? could we not have look throughed? could you not have look throughed? could they not have look throughed?
V-ing perfect
could I not have been look throughing? could you not have been look throughing? could he not have been look throughing? could we not have been look throughing? could you not have been look throughing? could they not have been look throughing?