I can unsettle you can unsettle he can unsettle we can unsettle you can unsettle they can unsettle
V-ing form
I can be unsettling you can be unsettling he can be unsettling we can be unsettling you can be unsettling they can be unsettling
Perfect
I can have unsettled you can have unsettled he can have unsettled we can have unsettled you can have unsettled they can have unsettled
V-ing perfect
I can have been unsettling you can have been unsettling he can have been unsettling we can have been unsettling you can have been unsettling they can have been unsettling
Negation
Simple form
I can't unsettle you can't unsettle he can't unsettle we can't unsettle you can't unsettle they can't unsettle
V-ing form
I can't be unsettling you can't be unsettling he can't be unsettling we can't be unsettling you can't be unsettling they can't be unsettling
Perfect
I can't have unsettled you can't have unsettled he can't have unsettled we can't have unsettled you can't have unsettled they can't have unsettled
V-ing perfect
I can't have been unsettling you can't have been unsettling he can't have been unsettling we can't have been unsettling you can't have been unsettling they can't have been unsettling
Interrogative form
Simple form
can I unsettle? can you unsettle? can he unsettle? can we unsettle? can you unsettle? can they unsettle?
V-ing form
can I be unsettling? can you be unsettling? can he be unsettling? can we be unsettling? can you be unsettling? can they be unsettling?
Perfect
can I have unsettled? can you have unsettled? can he have unsettled? can we have unsettled? can you have unsettled? can they have unsettled?
V-ing perfect
can I have been unsettling? can you have been unsettling? can he have been unsettling? can we have been unsettling? can you have been unsettling? can they have been unsettling?
Interro-negative form
Simple form
can't I unsettle? can't you unsettle? can't he unsettle? can't we unsettle? can't you unsettle? can't they unsettle?
V-ing form
can't I be unsettling? can't you be unsettling? can't he be unsettling? can't we be unsettling? can't you be unsettling? can't they be unsettling?
Perfect
can't I have unsettled? can't you have unsettled? can't he have unsettled? can't we have unsettled? can't you have unsettled? can't they have unsettled?
V-ing perfect
can't I have been unsettling? can't you have been unsettling? can't he have been unsettling? can't we have been unsettling? can't you have been unsettling? can't they have been unsettling?