English verb conjugation COULD COMPLAIN

Regular verb: complain - complained - complained

Affirmation

Simple form

I could complain
you could complain
he could complain
we could complain
you could complain
they could complain

V-ing form

I could be complaining
you could be complaining
he could be complaining
we could be complaining
you could be complaining
they could be complaining

Perfect

I could have complained
you could have complained
he could have complained
we could have complained
you could have complained
they could have complained

V-ing perfect

I could have been complaining
you could have been complaining
he could have been complaining
we could have been complaining
you could have been complaining
they could have been complaining

Negation

Simple form

I could not complain
you could not complain
he could not complain
we could not complain
you could not complain
they could not complain

V-ing form

I could not be complaining
you could not be complaining
he could not be complaining
we could not be complaining
you could not be complaining
they could not be complaining

Perfect

I could not have complained
you could not have complained
he could not have complained
we could not have complained
you could not have complained
they could not have complained

V-ing perfect

I could not have been complaining
you could not have been complaining
he could not have been complaining
we could not have been complaining
you could not have been complaining
they could not have been complaining

Interrogative form

Simple form

could I complain?
could you complain?
could he complain?
could we complain?
could you complain?
could they complain?

V-ing form

could I be complaining?
could you be complaining?
could he be complaining?
could we be complaining?
could you be complaining?
could they be complaining?

Perfect

could I have complained?
could you have complained?
could he have complained?
could we have complained?
could you have complained?
could they have complained?

V-ing perfect

could I have been complaining?
could you have been complaining?
could he have been complaining?
could we have been complaining?
could you have been complaining?
could they have been complaining?

Interro-negative form

Simple form

could I not complain?
could you not complain?
could he not complain?
could we not complain?
could you not complain?
could they not complain?

V-ing form

could I not be complaining?
could you not be complaining?
could he not be complaining?
could we not be complaining?
could you not be complaining?
could they not be complaining?

Perfect

could I not have complained?
could you not have complained?
could he not have complained?
could we not have complained?
could you not have complained?
could they not have complained?

V-ing perfect

could I not have been complaining?
could you not have been complaining?
could he not have been complaining?
could we not have been complaining?
could you not have been complaining?
could they not have been complaining?

Page top