句首动词怎么看什么时候是主语,如Stopped them from going across

across the yard from them怎么翻译 The heavy snow stopped them from going out for a holiday.改为被 The heavy rain stopped them from going there,so f____they de 翻译The heavy snow stopped them from going out for a trip. slow的形容词还有动名词作主语是怎么回事?怎么用?什么时候在句首动词要加ing 句首什么情况下用懂动词不定式做主语和什么时候用ING形式 动词作主语用doing,什么时候动词在句首好像不是主语用To do或do, 讲清楚点,简洁易懂. 句首没有动词时怎样区分是祈使句还是动词作主语? Some children from the poor countryside stopped going to sch _______,all the students were stopped from going to school 英语 怎样区别什么时候是祈使句什么时候是动词ing作主语 across from the park is an old hotel的主语