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