could reciprocate
Regular verb: reciprocate - reciprocated- reciprocated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could reciprocate
you could reciprocate
he could reciprocate
we could reciprocate
you could reciprocate
they could reciprocate 	I could be reciprocating
you could be reciprocating
he could be reciprocating
we could be reciprocating
you could be reciprocating
they could be reciprocating	I could have reciprocated
you could have reciprocated
he could have reciprocated
we could have reciprocated
you could have reciprocated
they could have reciprocated	I could have been reciprocating
you could have been reciprocating
he could have been reciprocating
we could have been reciprocating
you could have been reciprocating
they could have been reciprocating	

Negation 	
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I could not reciprocate
you could not reciprocate
he could not reciprocate
we could not reciprocate
you could not reciprocate
they could not reciprocate 	I could not be reciprocating
you could not be reciprocating
he could not be reciprocating
we could not be reciprocating
you could not be reciprocating
they could not be reciprocating	I could not have reciprocated
you could not have reciprocated
he could not have reciprocated
we could not have reciprocated
you could not have reciprocated
they could not have reciprocated	I could not have been reciprocating
you could not have been reciprocating
he could not have been reciprocating
we could not have been reciprocating
you could not have been reciprocating
they could not have been reciprocating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I reciprocate?
could you reciprocate?
could he reciprocate?
could we reciprocate?
could you reciprocate?
could they reciprocate? 	could I be reciprocating?
could you be reciprocating?
could he be reciprocating?
could we be reciprocating?
could you be reciprocating?
could they be reciprocating? 	could I have reciprocated?
could you have reciprocated?
could he have reciprocated?
could we have reciprocated?
could you have reciprocated?
could they have reciprocated? 	could I have been reciprocating?
could you have been reciprocating?
could he have been reciprocating?
could we have been reciprocating?
could you have been reciprocating?
could they have been reciprocating? 	

Interro-negative form 	
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could I not reciprocate?
could you not reciprocate?
could he not reciprocate?
could we not reciprocate?
could you not reciprocate?
could they not reciprocate? 	could I not be reciprocating?
could you not be reciprocating?
could he not be reciprocating?
could we not be reciprocating?
could you not be reciprocating?
could they not be reciprocating? 	could I not have reciprocated?
could you not have reciprocated?
could he not have reciprocated?
could we not have reciprocated?
could you not have reciprocated?
could they not have reciprocated? 	could I not have been reciprocating?
could you not have been reciprocating?
could he not have been reciprocating?
could we not have been reciprocating?
could you not have been reciprocating?
could they not have been reciprocating?