I can temper you can temper he can temper we can temper you can temper they can temper
V-ing form
I can be tempering you can be tempering he can be tempering we can be tempering you can be tempering they can be tempering
Perfect
I can have tempered you can have tempered he can have tempered we can have tempered you can have tempered they can have tempered
V-ing perfect
I can have been tempering you can have been tempering he can have been tempering we can have been tempering you can have been tempering they can have been tempering
Negation
Simple form
I can't temper you can't temper he can't temper we can't temper you can't temper they can't temper
V-ing form
I can't be tempering you can't be tempering he can't be tempering we can't be tempering you can't be tempering they can't be tempering
Perfect
I can't have tempered you can't have tempered he can't have tempered we can't have tempered you can't have tempered they can't have tempered
V-ing perfect
I can't have been tempering you can't have been tempering he can't have been tempering we can't have been tempering you can't have been tempering they can't have been tempering
Interrogative form
Simple form
can I temper? can you temper? can he temper? can we temper? can you temper? can they temper?
V-ing form
can I be tempering? can you be tempering? can he be tempering? can we be tempering? can you be tempering? can they be tempering?
Perfect
can I have tempered? can you have tempered? can he have tempered? can we have tempered? can you have tempered? can they have tempered?
V-ing perfect
can I have been tempering? can you have been tempering? can he have been tempering? can we have been tempering? can you have been tempering? can they have been tempering?
Interro-negative form
Simple form
can't I temper? can't you temper? can't he temper? can't we temper? can't you temper? can't they temper?
V-ing form
can't I be tempering? can't you be tempering? can't he be tempering? can't we be tempering? can't you be tempering? can't they be tempering?
Perfect
can't I have tempered? can't you have tempered? can't he have tempered? can't we have tempered? can't you have tempered? can't they have tempered?
V-ing perfect
can't I have been tempering? can't you have been tempering? can't he have been tempering? can't we have been tempering? can't you have been tempering? can't they have been tempering?