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