初中英語上册第三单元therebe句型讲课件.doc

第三课时 Protect The Earth 第一课时 讲授这一单元的单词，以及重点单词拓展开来的各类词性，搭配及短语。课本reading A部分由图片展开的而引出的关于地球的话题。 重要的单词,短语：earth--- on earth， report---make a report, land--- on the land, fact---in fact, put…into… throw away 重要搭配：provide sb with sth = give sb sth = offer sb sth 给某人提供某物 = provide sth for sb = give sth to sb = offer sth to sb protect sb from sth 保护某人免受….的影响 protect sb from doing sth 词性变换: protect (v.) --- protection (n.)--- protective (adj.) 保护 pollute (v.) ---pollution (n.)--- polluted (adj.) 污染 important(adj.) --- importance (n.) 重要 own (adj.)--- owner (n.) 自己的，主人 第二课时 做本单元的reading理解训练，获取信息，分析课文以及各段落内容，理解课文内容。以及引导从认识地球到保护地球的意识上的转变。 第三课时 1. 复习第一课时的重点单词，短语，搭配。做课堂练习一，二，三 2. 分小组朗读课文，熟悉课文内容。 3. 由课文的结构引出并讲解there be 句型知识， 1）there be 句型，是一个存在句，表示某地有某物/ 某物 在there be 句型中，be动词的具体形式由主语的单数，复数和“就近原则”决定。 主语是单数，be动词用 is (was) : There is an apple on the table. 否 There is some water in the glass. 否 主语是复数,be动词用 are (were):There are some apples on the table. 否 “就近原则”，如果说有几件物品时，be动词由与它最近的名词的单复数决定。 There is an apple and two oranges on the table. 否 There are two oranges and an apple on the table. 否 小结：there be 句型的否定句在be 动词后加not some用在肯定句，any 用在否定句或疑问句 And 用在肯定句，or 用在否定句 2）疑问句：一般疑问句，把be动词提到句首。 = 1 \* GB3 \* MERGEFORMAT ① There is an apple on the table. 疑 Is there an apple on the table? ---- Yes, there is./ No, there is not (isn’t). = 2 \* GB3 \* MERGEFORMAT ②There are some apples on the table. 疑Are there any water in the glass? ----Yes, there are./ No, there are not (aren’t). 特殊疑问句，一般针对划线部分提问。 = 3 \* GB3 \* MERGEFORMAT ③ There are two apple on the table. How many apples are there on the table? There is some water in the glass. = 4 \* GB3 \* MERGEFORMAT ④There is an apple on the table. (对主语提问) What’s on the table? 主语是物用what’s 提问 = 5 \* GB3 \* MERGEFORMAT ⑤there is a little boy in the room. (对主语提问)