m6 unit 3语法学案.doc

Class:_______ group:_________ Name: ________ 组内评价：________ 教师评价______ Book 6 unit3 语法导学案 【使用说明及学法指导】 自学：学习it的用法。 A层完成以下内容，并做到背诵自学成果。B层可结合自学完成以下内容并掌握用法。C层要理解讲义大意及细节。 必须记住讲义上出现的短语句子，掌握语法的结构方法。 语法要求： 学案上出现的短语句子要在课文中划出，重点理解掌握。 出现的问题要用不同颜色的笔标注。 难于理解的句子要做好标注，和同学交流。仍未解决的用问号标出，等待解决。 【学习目标】 学习掌握本单元语法it的用法。2掌握语法用法，并进行语法运用。3通过学习，培养发现问题，分析问题，解决问题的能力。4.自主学习，合作探究，激情参与，快乐学习。 【预习案】 一、人称代词1，it的最基本用法是作代词，主要指刚提到的事物，以避免重复: 它与one的区别在于one= a/an + none; it = the + n。…( of sb. ) to do sth. 不定式的逻辑主语是由 of引起，主句中的形容词必须是能表示逻辑主语特征的褒义或贬义形容词。?这个句型可以改写为：sb. is kind to do sth. 。　 如:It is kind of you to say so. = You are kind to say so. ⑵It is necessary /important/hard/impossible…( for sb. ) to do sth. .不定式的逻辑主语是由for引起，主句中的形容词通常是表示重要性，紧迫性，频繁程度，难易，安全等情况的中性形容词。 如:It is important for her to come to the party. = It is important that she (should ) come to the party. 3.作形式主语替代动名词短语It is no good / no use / useless doing sth. 常译为 “┅有好处或没有用” 　　 ?It is no good learning English without speaking English. ?五、作形式宾语，代替不定式，动名词短语或宾语从句。 该结构中常用的动词有：think, believe, make ,find consider, feel； 如:We think it our duty to clean our classroom every day. 　 He felt it important learning English well. 　 注：It 也用于习掼用法中,主要用在hate, like, take, have后, 替代其后的宾语从句. I hate it when people talk with their mouths full 六、.it的重要句型 1.强调句型:? It is/was? + 被强调部分 + that 从句 (被强调的主语如果是人，that可以由who换用)It was about 600 years ago that the first clock with a face and an hour hand was made. 特例:It is not until + 被强调部分 + that ... 该句型也是强调句型。主要用于强凋时间状语，译成汉语＂直到．．．才．．．＂，可以说是 not ... until ... 的强调形式。 ? It was not until she took off her dark glasses that I realized she was a famous film star. ?2.It+ be +时间 + since ... It’s three years since they got married. 3.It +be +时间+ before ... It will be two years before we meet again It was not long before the two friends met again. 4.It is time ( about time ，high time ) that从句(虚拟语气:动词用过去时did)It is time that children went to bed. 5.It is the first ( second ... ) time that从句(从句用现在完成时 have done ) It was the