I can rate you can rate he can rate we can rate you can rate they can rate
V-ing form
I can be rating you can be rating he can be rating we can be rating you can be rating they can be rating
Perfect
I can have rated you can have rated he can have rated we can have rated you can have rated they can have rated
V-ing perfect
I can have been rating you can have been rating he can have been rating we can have been rating you can have been rating they can have been rating
Negation
Simple form
I can't rate you can't rate he can't rate we can't rate you can't rate they can't rate
V-ing form
I can't be rating you can't be rating he can't be rating we can't be rating you can't be rating they can't be rating
Perfect
I can't have rated you can't have rated he can't have rated we can't have rated you can't have rated they can't have rated
V-ing perfect
I can't have been rating you can't have been rating he can't have been rating we can't have been rating you can't have been rating they can't have been rating
Interrogative form
Simple form
can I rate? can you rate? can he rate? can we rate? can you rate? can they rate?
V-ing form
can I be rating? can you be rating? can he be rating? can we be rating? can you be rating? can they be rating?
Perfect
can I have rated? can you have rated? can he have rated? can we have rated? can you have rated? can they have rated?
V-ing perfect
can I have been rating? can you have been rating? can he have been rating? can we have been rating? can you have been rating? can they have been rating?
Interro-negative form
Simple form
can't I rate? can't you rate? can't he rate? can't we rate? can't you rate? can't they rate?
V-ing form
can't I be rating? can't you be rating? can't he be rating? can't we be rating? can't you be rating? can't they be rating?
Perfect
can't I have rated? can't you have rated? can't he have rated? can't we have rated? can't you have rated? can't they have rated?
V-ing perfect
can't I have been rating? can't you have been rating? can't he have been rating? can't we have been rating? can't you have been rating? can't they have been rating?