turn to the left,and you will see the bus stop.为什么用turn 不用turning.
问题描述：
turn to the left,and you will see the bus stop.为什么用turn 不用turning.
答
turn 用原形,放句首,是祈使句,表示建议或要求.
turning 是动名词,具有名词特点,放句首只能作主语.如 Reading books is very useful.
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