could recover
Regular verb: recover - recovered- recovered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could recover
you could recover
she could recover
we could recover
you could recover
they could recover 	I could be recovering
you could be recovering
she could be recovering
we could be recovering
you could be recovering
they could be recovering	I could have recovered
you could have recovered
she could have recovered
we could have recovered
you could have recovered
they could have recovered	I could have been recovering
you could have been recovering
she could have been recovering
we could have been recovering
you could have been recovering
they could have been recovering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not recover
you could not recover
she could not recover
we could not recover
you could not recover
they could not recover 	I could not be recovering
you could not be recovering
she could not be recovering
we could not be recovering
you could not be recovering
they could not be recovering	I could not have recovered
you could not have recovered
she could not have recovered
we could not have recovered
you could not have recovered
they could not have recovered	I could not have been recovering
you could not have been recovering
she could not have been recovering
we could not have been recovering
you could not have been recovering
they could not have been recovering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I recover?
could you recover?
could she recover?
could we recover?
could you recover?
could they recover? 	could I be recovering?
could you be recovering?
could she be recovering?
could we be recovering?
could you be recovering?
could they be recovering? 	could I have recovered?
could you have recovered?
could she have recovered?
could we have recovered?
could you have recovered?
could they have recovered? 	could I have been recovering?
could you have been recovering?
could she have been recovering?
could we have been recovering?
could you have been recovering?
could they have been recovering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not recover?
could you not recover?
could she not recover?
could we not recover?
could you not recover?
could they not recover? 	could I not be recovering?
could you not be recovering?
could she not be recovering?
could we not be recovering?
could you not be recovering?
could they not be recovering? 	could I not have recovered?
could you not have recovered?
could she not have recovered?
could we not have recovered?
could you not have recovered?
could they not have recovered? 	could I not have been recovering?
could you not have been recovering?
could she not have been recovering?
could we not have been recovering?
could you not have been recovering?
could they not have been recovering?