(精品)Thepresentcontinuoustense.ppt

Unit 4Oxford EnglishModule 2 Mans best friendsMans best friendsSave the treesPeriod 4Period 4GrammarGrammar 学习目标：学习目标：1.了解现在进行时的结构和用法了解现在进行时的结构和用法2.能够用现在进行时描述正在进能够用现在进行时描述正在进行或发生的事情行或发生的事情3.能完成现在进行时的相关练习能完成现在进行时的相关练习请说出下列动词的现在分词：请说出下列动词的现在分词：eat-study-write-come-lie-die-tie-get-put-shop-eatingstudyingwriting coming lying dying tying getting putting shopping 概念：概念：现在进行时表示现阶段正在进行的动作，或现在进行时表示现阶段正在进行的动作，或现阶段正在从事的动作。现阶段正在从事的动作。现在进行时：现在进行时：请请观观察察下下面面的的句句子子，总总结结出出现现在在进进行行时时的的肯肯定定句句的的结构。结构。1.I am readingam reading a newspaper.2.You are playingare playing basketball.3.He is watchingis watching TV.4.She is doingis doing her homework.5.We are havingare having English.6.They are playingare playing in the park.观察可得，现在进行时的肯定句结构是观察可得，现在进行时的肯定句结构是：主语主语+be+v-ing+be+v-ing+其他其他请观察下面的句子，总结出现在进行时的否请观察下面的句子，总结出现在进行时的否定句和一般疑问句的结构。定句和一般疑问句的结构。I am not readingam not reading a newspaper.You are not playingare not playing basketball.-Is Is he watching watching TV?-Yes,he is./No,he isnt.-Is Is she doingdoing her homework?-Yes,she is./No,she isnt.现在进行时的现在进行时的否定句否定句：主语主语+be+not+v-ing+其他。其他。现在进行时的现在进行时的一般疑问句一般疑问句：Be+主语主语+v-ing+其他？其他？肯定回答：肯定回答：Yes,主语主语+be.否定回答：否定回答：No,主语主语+be+not.(注意：此处注意：此处be和和not要缩写要缩写)把下列句子翻译为英语，并写出其否定句把下列句子翻译为英语，并写出其否定句和一般疑问句及其肯定、否定回答。和一般疑问句及其肯定、否定回答。1.1.我的妈妈正在做饭。我的妈妈正在做饭。My mother is cooking.My mother is cooking.My mother is not cooking.My mother is not cooking.-Is your mother cooking?-Is your mother cooking?-Yes,she is./No,she isnt.-Yes,she is./No,she isnt.2.2.我们正在听音乐。我们正在听音乐。We are listening to music.We are listening to music.We are not listening to music.We are not listening to music.-Are you listening to music?Are you listening to music?-Yes,we are./No,we arent.-Yes,we are./No,we arent.看图说话：看图说话：e.g.Grace is fishing.isdoingis playingare playingis fishingis swimmingare lyingis eatingis playingam talking