YOU SAID:
Will we be doing carpentry today?
INTO JAPANESE
今日は大工をしますか。
BACK INTO ENGLISH
Do you do carpentry today?
INTO JAPANESE
今日は大工をやっていますか。
BACK INTO ENGLISH
Do you work as a carpenter today?
INTO JAPANESE
今日は大工として働いていますか。
BACK INTO ENGLISH
Do you work as a carpenter today?
That didn't even make that much sense in English.