I can enlarge you can enlarge he can enlarge we can enlarge you can enlarge they can enlarge
V-ing form
I can be enlarging you can be enlarging he can be enlarging we can be enlarging you can be enlarging they can be enlarging
Perfect
I can have enlarged you can have enlarged he can have enlarged we can have enlarged you can have enlarged they can have enlarged
V-ing perfect
I can have been enlarging you can have been enlarging he can have been enlarging we can have been enlarging you can have been enlarging they can have been enlarging
Negation
Simple form
I can't enlarge you can't enlarge he can't enlarge we can't enlarge you can't enlarge they can't enlarge
V-ing form
I can't be enlarging you can't be enlarging he can't be enlarging we can't be enlarging you can't be enlarging they can't be enlarging
Perfect
I can't have enlarged you can't have enlarged he can't have enlarged we can't have enlarged you can't have enlarged they can't have enlarged
V-ing perfect
I can't have been enlarging you can't have been enlarging he can't have been enlarging we can't have been enlarging you can't have been enlarging they can't have been enlarging
Interrogative form
Simple form
can I enlarge? can you enlarge? can he enlarge? can we enlarge? can you enlarge? can they enlarge?
V-ing form
can I be enlarging? can you be enlarging? can he be enlarging? can we be enlarging? can you be enlarging? can they be enlarging?
Perfect
can I have enlarged? can you have enlarged? can he have enlarged? can we have enlarged? can you have enlarged? can they have enlarged?
V-ing perfect
can I have been enlarging? can you have been enlarging? can he have been enlarging? can we have been enlarging? can you have been enlarging? can they have been enlarging?
Interro-negative form
Simple form
can't I enlarge? can't you enlarge? can't he enlarge? can't we enlarge? can't you enlarge? can't they enlarge?
V-ing form
can't I be enlarging? can't you be enlarging? can't he be enlarging? can't we be enlarging? can't you be enlarging? can't they be enlarging?
Perfect
can't I have enlarged? can't you have enlarged? can't he have enlarged? can't we have enlarged? can't you have enlarged? can't they have enlarged?
V-ing perfect
can't I have been enlarging? can't you have been enlarging? can't he have been enlarging? can't we have been enlarging? can't you have been enlarging? can't they have been enlarging?