could reinject
Regular verb: reinject - reinjected- reinjected

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could reinject
you could reinject
he could reinject
we could reinject
you could reinject
they could reinject 	I could be reinjecting
you could be reinjecting
he could be reinjecting
we could be reinjecting
you could be reinjecting
they could be reinjecting	I could have reinjected
you could have reinjected
he could have reinjected
we could have reinjected
you could have reinjected
they could have reinjected	I could have been reinjecting
you could have been reinjecting
he could have been reinjecting
we could have been reinjecting
you could have been reinjecting
they could have been reinjecting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not reinject
you could not reinject
he could not reinject
we could not reinject
you could not reinject
they could not reinject 	I could not be reinjecting
you could not be reinjecting
he could not be reinjecting
we could not be reinjecting
you could not be reinjecting
they could not be reinjecting	I could not have reinjected
you could not have reinjected
he could not have reinjected
we could not have reinjected
you could not have reinjected
they could not have reinjected	I could not have been reinjecting
you could not have been reinjecting
he could not have been reinjecting
we could not have been reinjecting
you could not have been reinjecting
they could not have been reinjecting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I reinject?
could you reinject?
could he reinject?
could we reinject?
could you reinject?
could they reinject? 	could I be reinjecting?
could you be reinjecting?
could he be reinjecting?
could we be reinjecting?
could you be reinjecting?
could they be reinjecting? 	could I have reinjected?
could you have reinjected?
could he have reinjected?
could we have reinjected?
could you have reinjected?
could they have reinjected? 	could I have been reinjecting?
could you have been reinjecting?
could he have been reinjecting?
could we have been reinjecting?
could you have been reinjecting?
could they have been reinjecting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not reinject?
could you not reinject?
could he not reinject?
could we not reinject?
could you not reinject?
could they not reinject? 	could I not be reinjecting?
could you not be reinjecting?
could he not be reinjecting?
could we not be reinjecting?
could you not be reinjecting?
could they not be reinjecting? 	could I not have reinjected?
could you not have reinjected?
could he not have reinjected?
could we not have reinjected?
could you not have reinjected?
could they not have reinjected? 	could I not have been reinjecting?
could you not have been reinjecting?
could he not have been reinjecting?
could we not have been reinjecting?
could you not have been reinjecting?
could they not have been reinjecting?