I can compose you can compose he can compose we can compose you can compose they can compose
V-ing form
I can be composing you can be composing he can be composing we can be composing you can be composing they can be composing
Perfect
I can have composed you can have composed he can have composed we can have composed you can have composed they can have composed
V-ing perfect
I can have been composing you can have been composing he can have been composing we can have been composing you can have been composing they can have been composing
Negation
Simple form
I cannot compose you cannot compose he cannot compose we cannot compose you cannot compose they cannot compose
V-ing form
I cannot be composing you cannot be composing he cannot be composing we cannot be composing you cannot be composing they cannot be composing
Perfect
I cannot have composed you cannot have composed he cannot have composed we cannot have composed you cannot have composed they cannot have composed
V-ing perfect
I cannot have been composing you cannot have been composing he cannot have been composing we cannot have been composing you cannot have been composing they cannot have been composing
Interrogative form
Simple form
can I compose? can you compose? can he compose? can we compose? can you compose? can they compose?
V-ing form
can I be composing? can you be composing? can he be composing? can we be composing? can you be composing? can they be composing?
Perfect
can I have composed? can you have composed? can he have composed? can we have composed? can you have composed? can they have composed?
V-ing perfect
can I have been composing? can you have been composing? can he have been composing? can we have been composing? can you have been composing? can they have been composing?
Interro-negative form
Simple form
can I not compose? can you not compose? can he not compose? can we not compose? can you not compose? can they not compose?
V-ing form
can I not be composing? can you not be composing? can he not be composing? can we not be composing? can you not be composing? can they not be composing?
Perfect
can I not have composed? can you not have composed? can he not have composed? can we not have composed? can you not have composed? can they not have composed?
V-ing perfect
can I not have been composing? can you not have been composing? can he not have been composing? can we not have been composing? can you not have been composing? can they not have been composing?