could hasten
Regular verb: hasten - hastened- hastened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hasten
you could hasten
he could hasten
we could hasten
you could hasten
they could hasten 	I could be hastening
you could be hastening
he could be hastening
we could be hastening
you could be hastening
they could be hastening	I could have hastened
you could have hastened
he could have hastened
we could have hastened
you could have hastened
they could have hastened	I could have been hastening
you could have been hastening
he could have been hastening
we could have been hastening
you could have been hastening
they could have been hastening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't hasten
you couldn't hasten
he couldn't hasten
we couldn't hasten
you couldn't hasten
they couldn't hasten 	I couldn't be hastening
you couldn't be hastening
he couldn't be hastening
we couldn't be hastening
you couldn't be hastening
they couldn't be hastening	I couldn't have hastened
you couldn't have hastened
he couldn't have hastened
we couldn't have hastened
you couldn't have hastened
they couldn't have hastened	I couldn't have been hastening
you couldn't have been hastening
he couldn't have been hastening
we couldn't have been hastening
you couldn't have been hastening
they couldn't have been hastening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hasten?
could you hasten?
could he hasten?
could we hasten?
could you hasten?
could they hasten? 	could I be hastening?
could you be hastening?
could he be hastening?
could we be hastening?
could you be hastening?
could they be hastening? 	could I have hastened?
could you have hastened?
could he have hastened?
could we have hastened?
could you have hastened?
could they have hastened? 	could I have been hastening?
could you have been hastening?
could he have been hastening?
could we have been hastening?
could you have been hastening?
could they have been hastening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I hasten?
couldn't you hasten?
couldn't he hasten?
couldn't we hasten?
couldn't you hasten?
couldn't they hasten? 	couldn't I be hastening?
couldn't you be hastening?
couldn't he be hastening?
couldn't we be hastening?
couldn't you be hastening?
couldn't they be hastening? 	couldn't I have hastened?
couldn't you have hastened?
couldn't he have hastened?
couldn't we have hastened?
couldn't you have hastened?
couldn't they have hastened? 	couldn't I have been hastening?
couldn't you have been hastening?
couldn't he have been hastening?
couldn't we have been hastening?
couldn't you have been hastening?
couldn't they have been hastening?