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