新概念英语新版第一册的147页第八大题第一小题（Ⅷ 1）,

新概念英语新版第一册的147页第八大题第一小题（Ⅷ 1）,
例句：
He is sitting in a chair.
QUESTION:Is he sitting in a chair?
QUESTION:Where is he sitting?
NEGATIVE:He isn't sitting in a chair.
模仿例句提问,并作出否定的回答：
1 He can come now.
Q:__________________
Q:When______________
N:__________________