I can bulk you can bulk he can bulk we can bulk you can bulk they can bulk
V-ing form
I can be bulking you can be bulking he can be bulking we can be bulking you can be bulking they can be bulking
Perfect
I can have bulked you can have bulked he can have bulked we can have bulked you can have bulked they can have bulked
V-ing perfect
I can have been bulking you can have been bulking he can have been bulking we can have been bulking you can have been bulking they can have been bulking
Negation
Simple form
I can't bulk you can't bulk he can't bulk we can't bulk you can't bulk they can't bulk
V-ing form
I can't be bulking you can't be bulking he can't be bulking we can't be bulking you can't be bulking they can't be bulking
Perfect
I can't have bulked you can't have bulked he can't have bulked we can't have bulked you can't have bulked they can't have bulked
V-ing perfect
I can't have been bulking you can't have been bulking he can't have been bulking we can't have been bulking you can't have been bulking they can't have been bulking
Interrogative form
Simple form
can I bulk? can you bulk? can he bulk? can we bulk? can you bulk? can they bulk?
V-ing form
can I be bulking? can you be bulking? can he be bulking? can we be bulking? can you be bulking? can they be bulking?
Perfect
can I have bulked? can you have bulked? can he have bulked? can we have bulked? can you have bulked? can they have bulked?
V-ing perfect
can I have been bulking? can you have been bulking? can he have been bulking? can we have been bulking? can you have been bulking? can they have been bulking?
Interro-negative form
Simple form
can't I bulk? can't you bulk? can't he bulk? can't we bulk? can't you bulk? can't they bulk?
V-ing form
can't I be bulking? can't you be bulking? can't he be bulking? can't we be bulking? can't you be bulking? can't they be bulking?
Perfect
can't I have bulked? can't you have bulked? can't he have bulked? can't we have bulked? can't you have bulked? can't they have bulked?
V-ing perfect
can't I have been bulking? can't you have been bulking? can't he have been bulking? can't we have been bulking? can't you have been bulking? can't they have been bulking?