could chunter
Regular verb: chunter - chuntered- chuntered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could chunter
you could chunter
he could chunter
we could chunter
you could chunter
they could chunter 	I could be chuntering
you could be chuntering
he could be chuntering
we could be chuntering
you could be chuntering
they could be chuntering	I could have chuntered
you could have chuntered
he could have chuntered
we could have chuntered
you could have chuntered
they could have chuntered	I could have been chuntering
you could have been chuntering
he could have been chuntering
we could have been chuntering
you could have been chuntering
they could have been chuntering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't chunter
you couldn't chunter
he couldn't chunter
we couldn't chunter
you couldn't chunter
they couldn't chunter 	I couldn't be chuntering
you couldn't be chuntering
he couldn't be chuntering
we couldn't be chuntering
you couldn't be chuntering
they couldn't be chuntering	I couldn't have chuntered
you couldn't have chuntered
he couldn't have chuntered
we couldn't have chuntered
you couldn't have chuntered
they couldn't have chuntered	I couldn't have been chuntering
you couldn't have been chuntering
he couldn't have been chuntering
we couldn't have been chuntering
you couldn't have been chuntering
they couldn't have been chuntering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I chunter?
could you chunter?
could he chunter?
could we chunter?
could you chunter?
could they chunter? 	could I be chuntering?
could you be chuntering?
could he be chuntering?
could we be chuntering?
could you be chuntering?
could they be chuntering? 	could I have chuntered?
could you have chuntered?
could he have chuntered?
could we have chuntered?
could you have chuntered?
could they have chuntered? 	could I have been chuntering?
could you have been chuntering?
could he have been chuntering?
could we have been chuntering?
could you have been chuntering?
could they have been chuntering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I chunter?
couldn't you chunter?
couldn't he chunter?
couldn't we chunter?
couldn't you chunter?
couldn't they chunter? 	couldn't I be chuntering?
couldn't you be chuntering?
couldn't he be chuntering?
couldn't we be chuntering?
couldn't you be chuntering?
couldn't they be chuntering? 	couldn't I have chuntered?
couldn't you have chuntered?
couldn't he have chuntered?
couldn't we have chuntered?
couldn't you have chuntered?
couldn't they have chuntered? 	couldn't I have been chuntering?
couldn't you have been chuntering?
couldn't he have been chuntering?
couldn't we have been chuntering?
couldn't you have been chuntering?
couldn't they have been chuntering?