can exert
Verbo regular: exert - exerted- exerted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can exert
you can exert
he can exert
we can exert
you can exert
they can exert 	I can be exerting
you can be exerting
he can be exerting
we can be exerting
you can be exerting
they can be exerting	I can have exerted
you can have exerted
he can have exerted
we can have exerted
you can have exerted
they can have exerted	I can have been exerting
you can have been exerting
he can have been exerting
we can have been exerting
you can have been exerting
they can have been exerting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't exert
you can't exert
he can't exert
we can't exert
you can't exert
they can't exert 	I can't be exerting
you can't be exerting
he can't be exerting
we can't be exerting
you can't be exerting
they can't be exerting	I can't have exerted
you can't have exerted
he can't have exerted
we can't have exerted
you can't have exerted
they can't have exerted	I can't have been exerting
you can't have been exerting
he can't have been exerting
we can't have been exerting
you can't have been exerting
they can't have been exerting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I exert?
can you exert?
can he exert?
can we exert?
can you exert?
can they exert? 	can I be exerting?
can you be exerting?
can he be exerting?
can we be exerting?
can you be exerting?
can they be exerting? 	can I have exerted?
can you have exerted?
can he have exerted?
can we have exerted?
can you have exerted?
can they have exerted? 	can I have been exerting?
can you have been exerting?
can he have been exerting?
can we have been exerting?
can you have been exerting?
can they have been exerting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I exert?
can't you exert?
can't he exert?
can't we exert?
can't you exert?
can't they exert? 	can't I be exerting?
can't you be exerting?
can't he be exerting?
can't we be exerting?
can't you be exerting?
can't they be exerting? 	can't I have exerted?
can't you have exerted?
can't he have exerted?
can't we have exerted?
can't you have exerted?
can't they have exerted? 	can't I have been exerting?
can't you have been exerting?
can't he have been exerting?
can't we have been exerting?
can't you have been exerting?
can't they have been exerting?