could abase
Regular verb: abase - abased- abased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could abase
you could abase
she could abase
we could abase
you could abase
they could abase 	I could be abasing
you could be abasing
she could be abasing
we could be abasing
you could be abasing
they could be abasing	I could have abased
you could have abased
she 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
she 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 couldn't abase
you couldn't abase
she couldn't abase
we couldn't abase
you couldn't abase
they couldn't abase 	I couldn't be abasing
you couldn't be abasing
she couldn't be abasing
we couldn't be abasing
you couldn't be abasing
they couldn't be abasing	I couldn't have abased
you couldn't have abased
she couldn't have abased
we couldn't have abased
you couldn't have abased
they couldn't have abased	I couldn't have been abasing
you couldn't have been abasing
she couldn't have been abasing
we couldn't have been abasing
you couldn't have been abasing
they couldn't have been abasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I abase?
could you abase?
could she abase?
could we abase?
could you abase?
could they abase? 	could I be abasing?
could you be abasing?
could she be abasing?
could we be abasing?
could you be abasing?
could they be abasing? 	could I have abased?
could you have abased?
could she 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 she 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 	
couldn't I abase?
couldn't you abase?
couldn't she abase?
couldn't we abase?
couldn't you abase?
couldn't they abase? 	couldn't I be abasing?
couldn't you be abasing?
couldn't she be abasing?
couldn't we be abasing?
couldn't you be abasing?
couldn't they be abasing? 	couldn't I have abased?
couldn't you have abased?
couldn't she have abased?
couldn't we have abased?
couldn't you have abased?
couldn't they have abased? 	couldn't I have been abasing?
couldn't you have been abasing?
couldn't she have been abasing?
couldn't we have been abasing?
couldn't you have been abasing?
couldn't they have been abasing?