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