I could unsettle you could unsettle she could unsettle we could unsettle you could unsettle they could unsettle
V-ing form
I could be unsettling you could be unsettling she could be unsettling we could be unsettling you could be unsettling they could be unsettling
Perfect
I could have unsettled you could have unsettled she could have unsettled we could have unsettled you could have unsettled they could have unsettled
V-ing perfect
I could have been unsettling you could have been unsettling she could have been unsettling we could have been unsettling you could have been unsettling they could have been unsettling
Negation
Simple form
I could not unsettle you could not unsettle she could not unsettle we could not unsettle you could not unsettle they could not unsettle
V-ing form
I could not be unsettling you could not be unsettling she could not be unsettling we could not be unsettling you could not be unsettling they could not be unsettling
Perfect
I could not have unsettled you could not have unsettled she could not have unsettled we could not have unsettled you could not have unsettled they could not have unsettled
V-ing perfect
I could not have been unsettling you could not have been unsettling she could not have been unsettling we could not have been unsettling you could not have been unsettling they could not have been unsettling
Interrogative form
Simple form
could I unsettle? could you unsettle? could she unsettle? could we unsettle? could you unsettle? could they unsettle?
V-ing form
could I be unsettling? could you be unsettling? could she be unsettling? could we be unsettling? could you be unsettling? could they be unsettling?
Perfect
could I have unsettled? could you have unsettled? could she have unsettled? could we have unsettled? could you have unsettled? could they have unsettled?
V-ing perfect
could I have been unsettling? could you have been unsettling? could she have been unsettling? could we have been unsettling? could you have been unsettling? could they have been unsettling?
Interro-negative form
Simple form
could I not unsettle? could you not unsettle? could she not unsettle? could we not unsettle? could you not unsettle? could they not unsettle?
V-ing form
could I not be unsettling? could you not be unsettling? could she not be unsettling? could we not be unsettling? could you not be unsettling? could they not be unsettling?
Perfect
could I not have unsettled? could you not have unsettled? could she not have unsettled? could we not have unsettled? could you not have unsettled? could they not have unsettled?
V-ing perfect
could I not have been unsettling? could you not have been unsettling? could she not have been unsettling? could we not have been unsettling? could you not have been unsettling? could they not have been unsettling?