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 can't grow you can't grow he can't grow we can't grow you can't grow they can't grow
V-ing form
I can't be growing you can't be growing he can't be growing we can't be growing you can't be growing they can't be growing
Perfect
I can't have grown you can't have grown he can't have grown we can't have grown you can't have grown they can't have grown
V-ing perfect
I can't have been growing you can't have been growing he can't have been growing we can't have been growing you can't have been growing they can't 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't I grow? can't you grow? can't he grow? can't we grow? can't you grow? can't they grow?
V-ing form
can't I be growing? can't you be growing? can't he be growing? can't we be growing? can't you be growing? can't they be growing?
Perfect
can't I have grown? can't you have grown? can't he have grown? can't we have grown? can't you have grown? can't they have grown?
V-ing perfect
can't I have been growing? can't you have been growing? can't he have been growing? can't we have been growing? can't you have been growing? can't they have been growing?