I can even you can even he can even we can even you can even they can even
V-ing form
I can be evening you can be evening he can be evening we can be evening you can be evening they can be evening
Perfect
I can have evened you can have evened he can have evened we can have evened you can have evened they can have evened
V-ing perfect
I can have been evening you can have been evening he can have been evening we can have been evening you can have been evening they can have been evening
Negation
Simple form
I can't even you can't even he can't even we can't even you can't even they can't even
V-ing form
I can't be evening you can't be evening he can't be evening we can't be evening you can't be evening they can't be evening
Perfect
I can't have evened you can't have evened he can't have evened we can't have evened you can't have evened they can't have evened
V-ing perfect
I can't have been evening you can't have been evening he can't have been evening we can't have been evening you can't have been evening they can't have been evening
Interrogative form
Simple form
can I even? can you even? can he even? can we even? can you even? can they even?
V-ing form
can I be evening? can you be evening? can he be evening? can we be evening? can you be evening? can they be evening?
Perfect
can I have evened? can you have evened? can he have evened? can we have evened? can you have evened? can they have evened?
V-ing perfect
can I have been evening? can you have been evening? can he have been evening? can we have been evening? can you have been evening? can they have been evening?
Interro-negative form
Simple form
can't I even? can't you even? can't he even? can't we even? can't you even? can't they even?
V-ing form
can't I be evening? can't you be evening? can't he be evening? can't we be evening? can't you be evening? can't they be evening?
Perfect
can't I have evened? can't you have evened? can't he have evened? can't we have evened? can't you have evened? can't they have evened?
V-ing perfect
can't I have been evening? can't you have been evening? can't he have been evening? can't we have been evening? can't you have been evening? can't they have been evening?