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