I can want you can want she can want we can want you can want they can want
V-ing form
I can be wanting you can be wanting she can be wanting we can be wanting you can be wanting they can be wanting
Perfect
I can have wanted you can have wanted she can have wanted we can have wanted you can have wanted they can have wanted
V-ing perfect
I can have been wanting you can have been wanting she can have been wanting we can have been wanting you can have been wanting they can have been wanting
Negation
Simple form
I can't want you can't want she can't want we can't want you can't want they can't want
V-ing form
I can't be wanting you can't be wanting she can't be wanting we can't be wanting you can't be wanting they can't be wanting
Perfect
I can't have wanted you can't have wanted she can't have wanted we can't have wanted you can't have wanted they can't have wanted
V-ing perfect
I can't have been wanting you can't have been wanting she can't have been wanting we can't have been wanting you can't have been wanting they can't have been wanting
Interrogative form
Simple form
can I want? can you want? can she want? can we want? can you want? can they want?
V-ing form
can I be wanting? can you be wanting? can she be wanting? can we be wanting? can you be wanting? can they be wanting?
Perfect
can I have wanted? can you have wanted? can she have wanted? can we have wanted? can you have wanted? can they have wanted?
V-ing perfect
can I have been wanting? can you have been wanting? can she have been wanting? can we have been wanting? can you have been wanting? can they have been wanting?
Interro-negative form
Simple form
can't I want? can't you want? can't she want? can't we want? can't you want? can't they want?
V-ing form
can't I be wanting? can't you be wanting? can't she be wanting? can't we be wanting? can't you be wanting? can't they be wanting?
Perfect
can't I have wanted? can't you have wanted? can't she have wanted? can't we have wanted? can't you have wanted? can't they have wanted?
V-ing perfect
can't I have been wanting? can't you have been wanting? can't she have been wanting? can't we have been wanting? can't you have been wanting? can't they have been wanting?