can clean
Verbo regular: clean - cleaned- cleaned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can clean
you can clean
he can clean
we can clean
you can clean
they can clean 	I can be cleaning
you can be cleaning
he can be cleaning
we can be cleaning
you can be cleaning
they can be cleaning	I can have cleaned
you can have cleaned
he can have cleaned
we can have cleaned
you can have cleaned
they can have cleaned	I can have been cleaning
you can have been cleaning
he can have been cleaning
we can have been cleaning
you can have been cleaning
they can have been cleaning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't clean
you can't clean
he can't clean
we can't clean
you can't clean
they can't clean 	I can't be cleaning
you can't be cleaning
he can't be cleaning
we can't be cleaning
you can't be cleaning
they can't be cleaning	I can't have cleaned
you can't have cleaned
he can't have cleaned
we can't have cleaned
you can't have cleaned
they can't have cleaned	I can't have been cleaning
you can't have been cleaning
he can't have been cleaning
we can't have been cleaning
you can't have been cleaning
they can't have been cleaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I clean?
can you clean?
can he clean?
can we clean?
can you clean?
can they clean? 	can I be cleaning?
can you be cleaning?
can he be cleaning?
can we be cleaning?
can you be cleaning?
can they be cleaning? 	can I have cleaned?
can you have cleaned?
can he have cleaned?
can we have cleaned?
can you have cleaned?
can they have cleaned? 	can I have been cleaning?
can you have been cleaning?
can he have been cleaning?
can we have been cleaning?
can you have been cleaning?
can they have been cleaning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I clean?
can't you clean?
can't he clean?
can't we clean?
can't you clean?
can't they clean? 	can't I be cleaning?
can't you be cleaning?
can't he be cleaning?
can't we be cleaning?
can't you be cleaning?
can't they be cleaning? 	can't I have cleaned?
can't you have cleaned?
can't he have cleaned?
can't we have cleaned?
can't you have cleaned?
can't they have cleaned? 	can't I have been cleaning?
can't you have been cleaning?
can't he have been cleaning?
can't we have been cleaning?
can't you have been cleaning?
can't they have been cleaning?