could blackberry
Regular verb: blackberry - blackberried- blackberried

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could blackberry
you could blackberry
she could blackberry
we could blackberry
you could blackberry
they could blackberry 	I could be blackberrying
you could be blackberrying
she could be blackberrying
we could be blackberrying
you could be blackberrying
they could be blackberrying	I could have blackberried
you could have blackberried
she could have blackberried
we could have blackberried
you could have blackberried
they could have blackberried	I could have been blackberrying
you could have been blackberrying
she could have been blackberrying
we could have been blackberrying
you could have been blackberrying
they could have been blackberrying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not blackberry
you could not blackberry
she could not blackberry
we could not blackberry
you could not blackberry
they could not blackberry 	I could not be blackberrying
you could not be blackberrying
she could not be blackberrying
we could not be blackberrying
you could not be blackberrying
they could not be blackberrying	I could not have blackberried
you could not have blackberried
she could not have blackberried
we could not have blackberried
you could not have blackberried
they could not have blackberried	I could not have been blackberrying
you could not have been blackberrying
she could not have been blackberrying
we could not have been blackberrying
you could not have been blackberrying
they could not have been blackberrying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I blackberry?
could you blackberry?
could she blackberry?
could we blackberry?
could you blackberry?
could they blackberry? 	could I be blackberrying?
could you be blackberrying?
could she be blackberrying?
could we be blackberrying?
could you be blackberrying?
could they be blackberrying? 	could I have blackberried?
could you have blackberried?
could she have blackberried?
could we have blackberried?
could you have blackberried?
could they have blackberried? 	could I have been blackberrying?
could you have been blackberrying?
could she have been blackberrying?
could we have been blackberrying?
could you have been blackberrying?
could they have been blackberrying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not blackberry?
could you not blackberry?
could she not blackberry?
could we not blackberry?
could you not blackberry?
could they not blackberry? 	could I not be blackberrying?
could you not be blackberrying?
could she not be blackberrying?
could we not be blackberrying?
could you not be blackberrying?
could they not be blackberrying? 	could I not have blackberried?
could you not have blackberried?
could she not have blackberried?
could we not have blackberried?
could you not have blackberried?
could they not have blackberried? 	could I not have been blackberrying?
could you not have been blackberrying?
could she not have been blackberrying?
could we not have been blackberrying?
could you not have been blackberrying?
could they not have been blackberrying?