can complain
Verbo regolare: complain - complained- complained

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can complain
you can complain
he can complain
we can complain
you can complain
they can complain 	I can be complaining
you can be complaining
he can be complaining
we can be complaining
you can be complaining
they can be complaining	I can have complained
you can have complained
he can have complained
we can have complained
you can have complained
they can have complained	I can have been complaining
you can have been complaining
he can have been complaining
we can have been complaining
you can have been complaining
they can have been complaining	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't complain
you can't complain
he can't complain
we can't complain
you can't complain
they can't complain 	I can't be complaining
you can't be complaining
he can't be complaining
we can't be complaining
you can't be complaining
they can't be complaining	I can't have complained
you can't have complained
he can't have complained
we can't have complained
you can't have complained
they can't have complained	I can't have been complaining
you can't have been complaining
he can't have been complaining
we can't have been complaining
you can't have been complaining
they can't have been complaining	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I complain?
can you complain?
can he complain?
can we complain?
can you complain?
can they complain? 	can I be complaining?
can you be complaining?
can he be complaining?
can we be complaining?
can you be complaining?
can they be complaining? 	can I have complained?
can you have complained?
can he have complained?
can we have complained?
can you have complained?
can they have complained? 	can I have been complaining?
can you have been complaining?
can he have been complaining?
can we have been complaining?
can you have been complaining?
can they have been complaining? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I complain?
can't you complain?
can't he complain?
can't we complain?
can't you complain?
can't they complain? 	can't I be complaining?
can't you be complaining?
can't he be complaining?
can't we be complaining?
can't you be complaining?
can't they be complaining? 	can't I have complained?
can't you have complained?
can't he have complained?
can't we have complained?
can't you have complained?
can't they have complained? 	can't I have been complaining?
can't you have been complaining?
can't he have been complaining?
can't we have been complaining?
can't you have been complaining?
can't they have been complaining?