有点多..我来回答...你的等哈哦..1.现在完成时态.由have/has +ed 分词构成.(以完成用法)比如. He has turned off the light.(意思是灯在一个过去时间被关掉,说话时仍然关着.(未完成用法)比如 He has lived here since 1960(意思是他从1960年开始就住在这了.现在还在这里..如果有前后文,,也有刚刚搬走的意思)过去完成时态.意思是在过去的过去发生的事.由 had + ed 分词够成.(以完成用法)I had written the article when they came.(在他们来到的时候我已经写完了这个文章)(未完成用法)She said that she had made much progress since she came here.(自从她来到这里后她已经取的了重大进步,,现在还在进步..)看上面4个句子,, 过去完成时态里面都会有动词的过去式, 后面2个..when they came.和 since she came here. 出现了这些．．前面就用had + ed 分词．．这是比较明显的标志．初一该够用了2宾语从句.意思是 该句子在整个大的句子中的成分相当与宾语.比如 She says that she will be a teacher.主 谓
宾语意思是 她说她将成为一个老师定语从局,,,从句做定语在整个句子中 修饰先行词,,当先行词为人...用who/whom引导
物 用that/which引导比如The person(先行词) who is John's father stands over there.I have a computer (先行词)which/that is given by my father.
区别就做的句子成分不同..引导词不同...宾语从句一般都用that,,,定语从句就是上面那几个
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