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