I can casserole you can casserole he can casserole we can casserole you can casserole they can casserole
V-ing form
I can be casseroling you can be casseroling he can be casseroling we can be casseroling you can be casseroling they can be casseroling
Perfect
I can have casseroled you can have casseroled he can have casseroled we can have casseroled you can have casseroled they can have casseroled
V-ing perfect
I can have been casseroling you can have been casseroling he can have been casseroling we can have been casseroling you can have been casseroling they can have been casseroling
Negation
Simple form
I can't casserole you can't casserole he can't casserole we can't casserole you can't casserole they can't casserole
V-ing form
I can't be casseroling you can't be casseroling he can't be casseroling we can't be casseroling you can't be casseroling they can't be casseroling
Perfect
I can't have casseroled you can't have casseroled he can't have casseroled we can't have casseroled you can't have casseroled they can't have casseroled
V-ing perfect
I can't have been casseroling you can't have been casseroling he can't have been casseroling we can't have been casseroling you can't have been casseroling they can't have been casseroling
Interrogative form
Simple form
can I casserole? can you casserole? can he casserole? can we casserole? can you casserole? can they casserole?
V-ing form
can I be casseroling? can you be casseroling? can he be casseroling? can we be casseroling? can you be casseroling? can they be casseroling?
Perfect
can I have casseroled? can you have casseroled? can he have casseroled? can we have casseroled? can you have casseroled? can they have casseroled?
V-ing perfect
can I have been casseroling? can you have been casseroling? can he have been casseroling? can we have been casseroling? can you have been casseroling? can they have been casseroling?
Interro-negative form
Simple form
can't I casserole? can't you casserole? can't he casserole? can't we casserole? can't you casserole? can't they casserole?
V-ing form
can't I be casseroling? can't you be casseroling? can't he be casseroling? can't we be casseroling? can't you be casseroling? can't they be casseroling?
Perfect
can't I have casseroled? can't you have casseroled? can't he have casseroled? can't we have casseroled? can't you have casseroled? can't they have casseroled?
V-ing perfect
can't I have been casseroling? can't you have been casseroling? can't he have been casseroling? can't we have been casseroling? can't you have been casseroling? can't they have been casseroling?