could raise
Regular verb: raise - raised- raised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could raise
you could raise
he could raise
we could raise
you could raise
they could raise 	I could be raising
you could be raising
he could be raising
we could be raising
you could be raising
they could be raising	I could have raised
you could have raised
he could have raised
we could have raised
you could have raised
they could have raised	I could have been raising
you could have been raising
he could have been raising
we could have been raising
you could have been raising
they could have been raising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not raise
you could not raise
he could not raise
we could not raise
you could not raise
they could not raise 	I could not be raising
you could not be raising
he could not be raising
we could not be raising
you could not be raising
they could not be raising	I could not have raised
you could not have raised
he could not have raised
we could not have raised
you could not have raised
they could not have raised	I could not have been raising
you could not have been raising
he could not have been raising
we could not have been raising
you could not have been raising
they could not have been raising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I raise?
could you raise?
could he raise?
could we raise?
could you raise?
could they raise? 	could I be raising?
could you be raising?
could he be raising?
could we be raising?
could you be raising?
could they be raising? 	could I have raised?
could you have raised?
could he have raised?
could we have raised?
could you have raised?
could they have raised? 	could I have been raising?
could you have been raising?
could he have been raising?
could we have been raising?
could you have been raising?
could they have been raising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not raise?
could you not raise?
could he not raise?
could we not raise?
could you not raise?
could they not raise? 	could I not be raising?
could you not be raising?
could he not be raising?
could we not be raising?
could you not be raising?
could they not be raising? 	could I not have raised?
could you not have raised?
could he not have raised?
could we not have raised?
could you not have raised?
could they not have raised? 	could I not have been raising?
could you not have been raising?
could he not have been raising?
could we not have been raising?
could you not have been raising?
could they not have been raising?