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 she 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 she 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 she 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 she 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 couldn't look through you couldn't look through she couldn't look through we couldn't look through you couldn't look through they couldn't look through
V-ing form
I couldn't be look throughing you couldn't be look throughing she couldn't be look throughing we couldn't be look throughing you couldn't be look throughing they couldn't be look throughing
Perfect
I couldn't have look throughed you couldn't have look throughed she couldn't have look throughed we couldn't have look throughed you couldn't have look throughed they couldn't have look throughed
V-ing perfect
I couldn't have been look throughing you couldn't have been look throughing she couldn't have been look throughing we couldn't have been look throughing you couldn't have been look throughing they couldn't have been look throughing
Interrogative form
Simple form
could I look through? could you look through? could she 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 she 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 she 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 she 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
couldn't I look through? couldn't you look through? couldn't she look through? couldn't we look through? couldn't you look through? couldn't they look through?
V-ing form
couldn't I be look throughing? couldn't you be look throughing? couldn't she be look throughing? couldn't we be look throughing? couldn't you be look throughing? couldn't they be look throughing?
Perfect
couldn't I have look throughed? couldn't you have look throughed? couldn't she have look throughed? couldn't we have look throughed? couldn't you have look throughed? couldn't they have look throughed?
V-ing perfect
couldn't I have been look throughing? couldn't you have been look throughing? couldn't she have been look throughing? couldn't we have been look throughing? couldn't you have been look throughing? couldn't they have been look throughing?