1英语句子成分讲座主语句子一般要有主语。在简单句中,主语一般由名词、代词、动名词或动词不定式(短语) 来充当。动名词、动词不定式作主语时通常用 it 作形式主语。名词作主语English is very important. 英语是很重要的。The students all love their English teacher. 这些学生都爱他们的英语老师。代词作主语They go to school by bus. 他们乘公共汽车上学。Most of the students come from the countryside. 大多数学生来自农村。动名词作主语Watching TV too much is bad for your eyes. 看电视太多对你的眼睛是有害的。Its no use regretting it. 后悔是无用的。动词不定式(短语)作主语To see is to believe. 眼见为实。It is very hard to get to sleep. 入睡很难。2.英语句子成