could approve
Regular verb: approve - approved- approved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could approve
you could approve
she could approve
we could approve
you could approve
they could approve 	I could be approving
you could be approving
she could be approving
we could be approving
you could be approving
they could be approving	I could have approved
you could have approved
she could have approved
we could have approved
you could have approved
they could have approved	I could have been approving
you could have been approving
she could have been approving
we could have been approving
you could have been approving
they could have been approving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not approve
you could not approve
she could not approve
we could not approve
you could not approve
they could not approve 	I could not be approving
you could not be approving
she could not be approving
we could not be approving
you could not be approving
they could not be approving	I could not have approved
you could not have approved
she could not have approved
we could not have approved
you could not have approved
they could not have approved	I could not have been approving
you could not have been approving
she could not have been approving
we could not have been approving
you could not have been approving
they could not have been approving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I approve?
could you approve?
could she approve?
could we approve?
could you approve?
could they approve? 	could I be approving?
could you be approving?
could she be approving?
could we be approving?
could you be approving?
could they be approving? 	could I have approved?
could you have approved?
could she have approved?
could we have approved?
could you have approved?
could they have approved? 	could I have been approving?
could you have been approving?
could she have been approving?
could we have been approving?
could you have been approving?
could they have been approving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not approve?
could you not approve?
could she not approve?
could we not approve?
could you not approve?
could they not approve? 	could I not be approving?
could you not be approving?
could she not be approving?
could we not be approving?
could you not be approving?
could they not be approving? 	could I not have approved?
could you not have approved?
could she not have approved?
could we not have approved?
could you not have approved?
could they not have approved? 	could I not have been approving?
could you not have been approving?
could she not have been approving?
could we not have been approving?
could you not have been approving?
could they not have been approving?