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 can't compose you can't compose he can't compose we can't compose you can't compose they can't compose
V-ing form
I can't be composing you can't be composing he can't be composing we can't be composing you can't be composing they can't be composing
Perfect
I can't have composed you can't have composed he can't have composed we can't have composed you can't have composed they can't have composed
V-ing perfect
I can't have been composing you can't have been composing he can't have been composing we can't have been composing you can't have been composing they can't 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't I compose? can't you compose? can't he compose? can't we compose? can't you compose? can't they compose?
V-ing form
can't I be composing? can't you be composing? can't he be composing? can't we be composing? can't you be composing? can't they be composing?
Perfect
can't I have composed? can't you have composed? can't he have composed? can't we have composed? can't you have composed? can't they have composed?
V-ing perfect
can't I have been composing? can't you have been composing? can't he have been composing? can't we have been composing? can't you have been composing? can't they have been composing?