could specify
Regular verb: specify - specified- specified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could specify
you could specify
he could specify
we could specify
you could specify
they could specify 	I could be specifying
you could be specifying
he could be specifying
we could be specifying
you could be specifying
they could be specifying	I could have specified
you could have specified
he could have specified
we could have specified
you could have specified
they could have specified	I could have been specifying
you could have been specifying
he could have been specifying
we could have been specifying
you could have been specifying
they could have been specifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not specify
you could not specify
he could not specify
we could not specify
you could not specify
they could not specify 	I could not be specifying
you could not be specifying
he could not be specifying
we could not be specifying
you could not be specifying
they could not be specifying	I could not have specified
you could not have specified
he could not have specified
we could not have specified
you could not have specified
they could not have specified	I could not have been specifying
you could not have been specifying
he could not have been specifying
we could not have been specifying
you could not have been specifying
they could not have been specifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I specify?
could you specify?
could he specify?
could we specify?
could you specify?
could they specify? 	could I be specifying?
could you be specifying?
could he be specifying?
could we be specifying?
could you be specifying?
could they be specifying? 	could I have specified?
could you have specified?
could he have specified?
could we have specified?
could you have specified?
could they have specified? 	could I have been specifying?
could you have been specifying?
could he have been specifying?
could we have been specifying?
could you have been specifying?
could they have been specifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not specify?
could you not specify?
could he not specify?
could we not specify?
could you not specify?
could they not specify? 	could I not be specifying?
could you not be specifying?
could he not be specifying?
could we not be specifying?
could you not be specifying?
could they not be specifying? 	could I not have specified?
could you not have specified?
could he not have specified?
could we not have specified?
could you not have specified?
could they not have specified? 	could I not have been specifying?
could you not have been specifying?
could he not have been specifying?
could we not have been specifying?
could you not have been specifying?
could they not have been specifying?