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