could rasp
Regular verb: rasp - rasped- rasped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rasp
you could rasp
he could rasp
we could rasp
you could rasp
they could rasp 	I could be rasping
you could be rasping
he could be rasping
we could be rasping
you could be rasping
they could be rasping	I could have rasped
you could have rasped
he could have rasped
we could have rasped
you could have rasped
they could have rasped	I could have been rasping
you could have been rasping
he could have been rasping
we could have been rasping
you could have been rasping
they could have been rasping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't rasp
you couldn't rasp
he couldn't rasp
we couldn't rasp
you couldn't rasp
they couldn't rasp 	I couldn't be rasping
you couldn't be rasping
he couldn't be rasping
we couldn't be rasping
you couldn't be rasping
they couldn't be rasping	I couldn't have rasped
you couldn't have rasped
he couldn't have rasped
we couldn't have rasped
you couldn't have rasped
they couldn't have rasped	I couldn't have been rasping
you couldn't have been rasping
he couldn't have been rasping
we couldn't have been rasping
you couldn't have been rasping
they couldn't have been rasping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rasp?
could you rasp?
could he rasp?
could we rasp?
could you rasp?
could they rasp? 	could I be rasping?
could you be rasping?
could he be rasping?
could we be rasping?
could you be rasping?
could they be rasping? 	could I have rasped?
could you have rasped?
could he have rasped?
could we have rasped?
could you have rasped?
could they have rasped? 	could I have been rasping?
could you have been rasping?
could he have been rasping?
could we have been rasping?
could you have been rasping?
could they have been rasping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I rasp?
couldn't you rasp?
couldn't he rasp?
couldn't we rasp?
couldn't you rasp?
couldn't they rasp? 	couldn't I be rasping?
couldn't you be rasping?
couldn't he be rasping?
couldn't we be rasping?
couldn't you be rasping?
couldn't they be rasping? 	couldn't I have rasped?
couldn't you have rasped?
couldn't he have rasped?
couldn't we have rasped?
couldn't you have rasped?
couldn't they have rasped? 	couldn't I have been rasping?
couldn't you have been rasping?
couldn't he have been rasping?
couldn't we have been rasping?
couldn't you have been rasping?
couldn't they have been rasping?