新概念英语第一册现在完成时第几课:新概念英语第一册语法解析:现在完成时

副标题:新概念英语第一册语法解析:现在完成时

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【#新概念英语# 导语】《新概念英语》(New Concept English)作为享誉全球的最为经典地道的英语教材,以其严密的体系性、严谨的科学性、精湛的实用性、浓郁的趣味性深受英语学习者的青睐,新概念英语一册(英语初阶)基础班---- 学习英语的敲门砖(First Things First)讲练基本语音、语调(包括所有的音标、连读、同化)及英语中的基本语法、词法、句法及句型结构知识。


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?

   Have he seen the film?

  3)表示开始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)表示一种经历,经验:去过…地方,做过…事情,经历过…事情

   I have never had a bath.

   I have never seen a film.

   I have never been 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.

  e.g. Have you lost your pen? I have not lost my pen.

  肯定回答及否定回答

  Yes, I have. No, I have not.

  特殊疑问句:

  What have you done?

  What has he done?

  一般过去时与现在完成时的区别:

  凡是有明确的表示过去的时间状语的句子为过去时

  注意:有些动词表示的动作有一个终点,不能再延续,因此不能和表示一段时间状语连用

  错:I’ve left Beijing for 3 days.

  对:I left Beijing 3 days ago. I have been away from being for 3 days.

新概念英语第一册语法解析:现在完成时.doc

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