I could abase you could abase she could abase we could abase you could abase they could abase
V-ing form
I could be abasing you could be abasing she could be abasing we could be abasing you could be abasing they could be abasing
Perfect
I could have abased you could have abased she could have abased we could have abased you could have abased they could have abased
V-ing perfect
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
I could not abase you could not abase she could not abase we could not abase you could not abase they could not abase
V-ing form
I could not be abasing you could not be abasing she could not be abasing we could not be abasing you could not be abasing they could not be abasing
Perfect
I could not have abased you could not have abased she could not have abased we could not have abased you could not have abased they could not have abased
V-ing perfect
I could not have been abasing you could not have been abasing she 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
could I abase? could you abase? could she abase? could we abase? could you abase? could they abase?
V-ing form
could I be abasing? could you be abasing? could she be abasing? could we be abasing? could you be abasing? could they be abasing?
Perfect
could I have abased? could you have abased? could she have abased? could we have abased? could you have abased? could they have abased?
V-ing perfect
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
could I not abase? could you not abase? could she not abase? could we not abase? could you not abase? could they not abase?
V-ing form
could I not be abasing? could you not be abasing? could she not be abasing? could we not be abasing? could you not be abasing? could they not be abasing?
Perfect
could I not have abased? could you not have abased? could she not have abased? could we not have abased? could you not have abased? could they not have abased?
V-ing perfect
could I not have been abasing? could you not have been abasing? could she not have been abasing? could we not have been abasing? could you not have been abasing? could they not have been abasing?