小学英语语法总结：现在完成时.docx

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1、Word小学英语语法总结：现在完成时 学校英语语法总结：现在完成时 构成：主语+助动词have, has+过去分词 用法： 1） 表示过去发生的和现在有某种联系的动作，常和just, usually, already, since等时间副词连用。 I have just had lunch. （饱了，不用再吃了。） He has had a cup of tea.（不渴了，不用再喝。） They have already had their holiday. （不能再度假了。） The boy has already read the book. （已经知道书的内容了，不用再看了。） 2） 询

2、问别人是否做过某事一般用现在完成时： Have you finished your homework? Have you been to Beijing? Has he seen the film? 3） 表示开头于过去并持续到现在的动作 I have lived in Beijing for twenty years. I have worked for this school for 1 year. 4） 表示一种经受，阅历：去过地方，做过事情，经受过事情 I have never had a bath. I have never seen a film. I have never bee

3、n to cinema. I have ever been to Paris. Have been to表示去过，have gone to 表示去了 I have been to London.（人已经回来） He has gone to London.（人还在那里） 5） 表示一种结果， 一般不和时间副词联用 I have lost my pen. I have hurt myself. He has become a teacher. She has broken my heart. 句型变化： 变疑问句将助动词移到句首，变否定句在助动词后面加not. Have you lost your pen? I have not lost my pen. 确定回答及否定回答 Yes, I have. / No, I have not. 特别疑问句 What have you done? What has he done? 一般过去时与现在完成时的区分： 凡是有明确的表示过去的时间状语的句子为过去时。 留意：有些动词表示的动作有一个终点，不能再连续，因此不能和表示一段时间状语连用。 错：Ive left Beijing for 3 days. 对：I left Beijing 3 days ago. I have been away from being for 3 days. 3