could abase
Regular verb: abase - abased- abased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could abase
you could abase
he could abase
we could abase
you could abase
they could abase 	I could be abasing
you could be abasing
he could be abasing
we could be abasing
you could be abasing
they could be abasing	I could have abased
you could have abased
he could have abased
we could have abased
you could have abased
they could have abased	I could have been abasing
you could have been abasing
he could have been abasing
we could have been abasing
you could have been abasing
they could have been abasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not abase
you could not abase
he could not abase
we could not abase
you could not abase
they could not abase 	I could not be abasing
you could not be abasing
he could not be abasing
we could not be abasing
you could not be abasing
they could not be abasing	I could not have abased
you could not have abased
he could not have abased
we could not have abased
you could not have abased
they could not have abased	I could not have been abasing
you could not have been abasing
he could not have been abasing
we could not have been abasing
you could not have been abasing
they could not have been abasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I abase?
could you abase?
could he abase?
could we abase?
could you abase?
could they abase? 	could I be abasing?
could you be abasing?
could he be abasing?
could we be abasing?
could you be abasing?
could they be abasing? 	could I have abased?
could you have abased?
could he have abased?
could we have abased?
could you have abased?
could they have abased? 	could I have been abasing?
could you have been abasing?
could he have been abasing?
could we have been abasing?
could you have been abasing?
could they have been abasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not abase?
could you not abase?
could he not abase?
could we not abase?
could you not abase?
could they not abase? 	could I not be abasing?
could you not be abasing?
could he not be abasing?
could we not be abasing?
could you not be abasing?
could they not be abasing? 	could I not have abased?
could you not have abased?
could he not have abased?
could we not have abased?
could you not have abased?
could they not have abased? 	could I not have been abasing?
could you not have been abasing?
could he not have been abasing?
could we not have been abasing?
could you not have been abasing?
could they not have been abasing?