can frock
Verbo regular: frock - frocked- frocked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can frock
you can frock
he can frock
we can frock
you can frock
they can frock 	I can be frocking
you can be frocking
he can be frocking
we can be frocking
you can be frocking
they can be frocking	I can have frocked
you can have frocked
he can have frocked
we can have frocked
you can have frocked
they can have frocked	I can have been frocking
you can have been frocking
he can have been frocking
we can have been frocking
you can have been frocking
they can have been frocking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't frock
you can't frock
he can't frock
we can't frock
you can't frock
they can't frock 	I can't be frocking
you can't be frocking
he can't be frocking
we can't be frocking
you can't be frocking
they can't be frocking	I can't have frocked
you can't have frocked
he can't have frocked
we can't have frocked
you can't have frocked
they can't have frocked	I can't have been frocking
you can't have been frocking
he can't have been frocking
we can't have been frocking
you can't have been frocking
they can't have been frocking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I frock?
can you frock?
can he frock?
can we frock?
can you frock?
can they frock? 	can I be frocking?
can you be frocking?
can he be frocking?
can we be frocking?
can you be frocking?
can they be frocking? 	can I have frocked?
can you have frocked?
can he have frocked?
can we have frocked?
can you have frocked?
can they have frocked? 	can I have been frocking?
can you have been frocking?
can he have been frocking?
can we have been frocking?
can you have been frocking?
can they have been frocking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I frock?
can't you frock?
can't he frock?
can't we frock?
can't you frock?
can't they frock? 	can't I be frocking?
can't you be frocking?
can't he be frocking?
can't we be frocking?
can't you be frocking?
can't they be frocking? 	can't I have frocked?
can't you have frocked?
can't he have frocked?
can't we have frocked?
can't you have frocked?
can't they have frocked? 	can't I have been frocking?
can't you have been frocking?
can't he have been frocking?
can't we have been frocking?
can't you have been frocking?
can't they have been frocking?