English verb conjugation
SHOULD COMPLAIN

Regular verb: complain - complained - complained

Affirmation

Simple form	V-ing form
I should complain you should complain he should complain we should complain you should complain they should complain	I should be complaining you should be complaining he should be complaining we should be complaining you should be complaining they should be complaining
Perfect	V-ing perfect
I should have complained you should have complained he should have complained we should have complained you should have complained they should have complained	I should have been complaining you should have been complaining he should have been complaining we should have been complaining you should have been complaining they should have been complaining

Negation

Simple form	V-ing form
I should not complain you should not complain he should not complain we should not complain you should not complain they should not complain	I should not be complaining you should not be complaining he should not be complaining we should not be complaining you should not be complaining they should not be complaining
Perfect	V-ing perfect
I should not have complained you should not have complained he should not have complained we should not have complained you should not have complained they should not have complained	I should not have been complaining you should not have been complaining he should not have been complaining we should not have been complaining you should not have been complaining they should not have been complaining

Interrogative form

Simple form	V-ing form
should I complain? should you complain? should he complain? should we complain? should you complain? should they complain?	should I be complaining? should you be complaining? should he be complaining? should we be complaining? should you be complaining? should they be complaining?
Perfect	V-ing perfect
should I have complained? should you have complained? should he have complained? should we have complained? should you have complained? should they have complained?	should I have been complaining? should you have been complaining? should he have been complaining? should we have been complaining? should you have been complaining? should they have been complaining?

Interro-negative form

Simple form	V-ing form
should I not complain? should you not complain? should he not complain? should we not complain? should you not complain? should they not complain?	should I not be complaining? should you not be complaining? should he not be complaining? should we not be complaining? should you not be complaining? should they not be complaining?
Perfect	V-ing perfect
should I not have complained? should you not have complained? should he not have complained? should we not have complained? should you not have complained? should they not have complained?	should I not have been complaining? should you not have been complaining? should he not have been complaining? should we not have been complaining? should you not have been complaining? should they not have been complaining?