I can upset you can upset he can upset we can upset you can upset they can upset
V-ing form
I can be upsetting you can be upsetting he can be upsetting we can be upsetting you can be upsetting they can be upsetting
Perfect
I can have upset you can have upset he can have upset we can have upset you can have upset they can have upset
V-ing perfect
I can have been upsetting you can have been upsetting he can have been upsetting we can have been upsetting you can have been upsetting they can have been upsetting
Negation
Simple form
I cannot upset you cannot upset he cannot upset we cannot upset you cannot upset they cannot upset
V-ing form
I cannot be upsetting you cannot be upsetting he cannot be upsetting we cannot be upsetting you cannot be upsetting they cannot be upsetting
Perfect
I cannot have upset you cannot have upset he cannot have upset we cannot have upset you cannot have upset they cannot have upset
V-ing perfect
I cannot have been upsetting you cannot have been upsetting he cannot have been upsetting we cannot have been upsetting you cannot have been upsetting they cannot have been upsetting
Interrogative form
Simple form
can I upset? can you upset? can he upset? can we upset? can you upset? can they upset?
V-ing form
can I be upsetting? can you be upsetting? can he be upsetting? can we be upsetting? can you be upsetting? can they be upsetting?
Perfect
can I have upset? can you have upset? can he have upset? can we have upset? can you have upset? can they have upset?
V-ing perfect
can I have been upsetting? can you have been upsetting? can he have been upsetting? can we have been upsetting? can you have been upsetting? can they have been upsetting?
Interro-negative form
Simple form
can I not upset? can you not upset? can he not upset? can we not upset? can you not upset? can they not upset?
V-ing form
can I not be upsetting? can you not be upsetting? can he not be upsetting? can we not be upsetting? can you not be upsetting? can they not be upsetting?
Perfect
can I not have upset? can you not have upset? can he not have upset? can we not have upset? can you not have upset? can they not have upset?
V-ing perfect
can I not have been upsetting? can you not have been upsetting? can he not have been upsetting? can we not have been upsetting? can you not have been upsetting? can they not have been upsetting?