2021届河北衡水高三英语新高考语法学习笔记（04）可作主语的词类与动词种类及其用法知识点概要

2021届河北衡水高三英语新高考语法学习笔记（04）可作主语的词类与动词种类及其用法知识点概要 可作主语的词类 任何一个句子一定由主语和动词形成。 有时候主语可以省略，形成祈使句。祈使句之前省略了You should   祈使句的否定，在原形动词前面加Don’t Don’t fool around.别游手好闲。   名词作主语 代词作主语 动名词或不定式短语作主语 动名词作主语通常已知事实或曾经做过的经验 不定式作主语通常表示意愿、目的或未完成的事   · There is no use/sense/point in doing sth   名词性从句作主语 名词性从句有三种 · that从句 · whether从句，由一般疑问句变来 · 疑问词从句，由特殊疑问句变来 who what which 为疑问代词，若在句中作主语，变成名词性从句时，结构不变 · Who came here? · What happened last night? · Which was bought?   名词性从句作介词宾语的时候，仅能用whether从句或疑问词引导的名词性从句，that 从句不可以 · I am curious about how he will cope with the problem. 下列结构是可以的 介词+the fact+that从句 I am sure of the fact that the team has wonthe game. 或者除去that，再把that后面的主语变成所有格，动词变成动名词 I am worried about his playing around allday. 若从句有may,can,则分别变为be likely to/be able to I am happy about that he may come. 错误 · I am happy about his being likely to come. · I am sure of his being able to do it.   be+adj+that从句 去掉介词，将that从句放在形容词后面 · I am worried that he plays around all day. · I am sure that the team has won the g