Look: Jack is putting on his hat and coat.He must (be going) out.

来源：百度知道编辑：UC知道时间：2024/09/27 21:26:26

请问这里的be going能否改成go呢？有什么区别呢？
结构must+be+doing/coming/joking等
must+do/go/know/have等

不能
be going用现在进行时表示一般将来时,be going out 译为将要出去.
改成go就没有将来时的意思,只表示一般叙述(一般现在时)
must+be+doing/coming/joking......指确定某人将要做某事(断定)
must+do/go/know/have指必须做谋事,有命令的意思

jian zi sheng ti ku shang zhi ji qu zao

this is Jack speaking who is Jack 主语是who / jack 哪个对? "Look .This is my mother "还是Look at Jack is a middle school boy ????? 《铁达尼号续集-Jack is back》宣传片 Jack, is there______in today’s newspaper？ Look!Here is a Beijing jeep. look for a friend who is ...... Look at the old man.He is( ) Jesus is coming look busy 是什么意思啊？