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