Unit 1-8语法归纳2024-2025学年沪教牛津版英语九年级下册

该初中英语讲义以单元为单位系统构建语法知识体系，通过分类总结、对比表格及例句解析呈现知识脉络，如Unit 1将结果状语从句按so...that、such...that等结构分类，用表格对比so与such的转换规则，清晰标注重难点分布及内在逻辑联系。 讲义亮点在于“结构转换+分层示例”的方法指导，如将not old enough to...转换为too...to...及so...that...not...句型，培养语言运用能力，通过Unit 3比较状语的原级、比较级、最高级表格分析，提升逻辑思维品质。每个语法点配基础例句与拓展转换题，基础生掌握规则，优秀生深化运用，助力教师实施精准分层复习教学。

九下英语语法归纳 Unit 1: Great Explorations 结果状语从句 (一)、知识点总结: 1. so... that ... 1) so+ adj. /adv.+that从句,如: She runs so fast that I can't catch up with her. 2) so+adj.+a(n)+单数可数名词+that 如: It's so interesting a book that I can't put it down. 3) so +many / few+复数可数名词+that从句 如: There are so few mistakes in his test that teachers praised him. 4) so + much /little+不可数名词+that从句 如: I have so much work to do that I can't play with you. 2. such ... that ... 1) such + a(n) +adj.+单数可数名词+that从句 如:He is such a kind man that we all like him. 2) such+adj.+复数可数名词+that从句 如:The speaker told us such interesting stories that we all laughed. 3) such+adj.+不可数名词+that从句 如:He shut the window with such force that the glass broke. 3. too +adj./adv.+to do, 如: The boy is too short to catch the apples on the tree. 4. adj./adv.+enough+to do,如: We are brave enough to walk through the dark forest. (2) 、重点难点: 1.so +adj.+a(n)+单数可数名词+that从句 such +a(n) + adj.+单数可数名词+ that从句 She is so lovely a boy that everyone likes her. = She is such a lovely boy that everyone likes her. 2.当名词前有 many, much, few 和 little修饰时,只能用so,不能用 such. There are so few toys that I can't give you one. 3. too +adj./adv.+ to do,如果动词不定式有自己的主语,这个主语用for来引导,变为:too +adj./adv.+for sb. to do The schoolbag is too heavy for the child to carry. not ... enough to... too... to.. so... that... not... The boy is not old enough to look after himself = The boy is too young to look after himself = The boy is so young that he can't look after himself. Unit 2: Culture Shock 主要状语从句类型及引导词 从句类型 从句引导词 1.时间状语从句 when, while, as, before, after, until(till), as soon as, since 2.条件状语从句 if, unless 3.原因状语从句 because, as, since 4.结果状语从句 so...that..., such... that... 5.目的状语从句 so that, in order that 6.让步状语从句 though, although, even if, even though, no matter who/where/ when... 7.比较状语从句 than, as...as...; the+ 比较级...,the +比较级... Unit 3: the Environment 比较状语 比较程度 表达方式和意义 例句 备注 原级 同等程度 肯定 形式 as+原级+as(像…一样) ①Lisa is as beautiful as Julie. ②Lisa works as hard as Tom does. 否定形式 not+as(so)+原级+as(不如...那样) ①English is not so difficult as Math. ②She does not study so well as I do. 比较级 两者比较 比较级+than ①Jim is older than l. ②She is more beautiful than Joan. 比较级前面可以加much;far;still;a little;a bit; even 等 程度加深 比较级+and+比较级; the+比较级,the+比较级; ①She is growing taller and taller. ②The more she reads,the better she is. 最高级 用于三者或三者以上 the+最高级+of/in...(最...) ①Spring is the best season of the year. ②Lin Tao jumped (the) farthest of all. 副词最高级前面的the往往省略 like prep.相似;类似 The weather here is like that in Tokyo. the same as 与...一样 She wears the clothes which are the same as Jack's. (be)different from 与...不同 Their hobbies are different from ours. Unit 4: Natural Disasters It的用法 一、it作代词的基本用法 1.指事物 可以指除人以外的一切事物或动物。 如:I dropped my watch and it broke. 2.指人 可以指人。如:Is it a boy or a girl?是男孩还是女孩? 3. it 可代替指示代词this,that以及复合不定代词something,anything,nothing等。如:-What's this?-It's a new machine. 4.主要用于指时间、距离、价值、天气、气候及温度等自然现象。 如:It rained all day yesterday. 5.用于某些句型 1)It's time for sth.该做某事了。It's time to do sth.该做某事的时候了。 2)It's time for sb. to do sth.某人该干某事了。 3)It's first (second) time+that从句 某人第几次干某事。 (从句谓语用现在完成时) 4 It's+时间段+ since从句 自从......有一段时间了。 二、it用作形式主语常见句型 动词不定式,动名词或主语从句作主语时,通常用it作形式主语,放到句首,常见句型有: 1. It+be+形容词+主语从句 如:It is uncertain whether he can come to Jenny’s birthday party or not. 2. It+be+名词词组+主语从句,这类名词有:a fact,a pity,a shame,an honour 等,如:It's a pity that you missed the exciting football match. 3. It+be+过去分词+主语从句,这类过去分词有believed, expected, hoped, reported,said等。如:It is reported that 16 people were killed in the earthquake. 4.It+不及物动词(seem,appear,happen等)+主语从句,如: It seemed that he didn't tell the truth. It happened that I was out when he called. 5. It+be+形容词+(for sb.)+动词不定式 常用形容词easy,difficult,hard,important,possible,wise等,为了强调不定式动作的执行者,常在不定式前加for sb. 如:It's necessary for the young to master two foreign language. 6. It+be+形容词+of sb.+动词不定式,是表示心理品质,性格特征的形容词,如: kind, nice,stupid, clever, foolish, polite, impolite, silly, selfish, considerate 等。某人和这些形容词可以构成主系表结构。如: It's very kind of you to help me with the work. 7. It+be+名词或形容词+动名词,这类名词和形容词常常是:no good,no use,a waste of, useless等。如: It's a waste of time talking to her anymore. It is no use arguing about the matter with him. 8.It+take (sb.)+时间(金钱)+动词不定式,如: It took the workers almost three years to finish building the dam. 3、 it用作形式宾语 其基本结构为“动词+it+宾语补足语+不定式(动名词或从句)”。如: I find it difficult to do the job well. I think it best that you should stay here. We think it no use complaining. Unit 5: Sports 时态和语态 各种时态一览表 时态 例句 现在时 一般现在时 I/You/We/They drink milk every day.He/She /It drinks milk every day. 现在进行时 l am listening to music now. You/We/They are listening to music now. He/She/It is listening to music. 现在完成时 I/You/We/They have finished my/your/our/their homework. He/She has finished his/her homework. 将来时 一般将来时 I/You/We/They/He/She/It will get here at 7 p.m. I am going to have a picnic tomorrow. He/She is going to have a picnic tomorrow. You/We/They are going to have a picnic tomorrow. 过去时 一般过去时 I/You/We/They/He/She went to Italy last month and stayed there for a week. 过去进行时 I/He/She was watching TV at this time yesterday. You/We/They were watching TV at this time yesterday. 被动语态一览表 时态 被动语态结构 例句 一般现在时 is /are /am+pp(过去分词) A tree is planted by them. 一般过去时 was/were+pp A little girl was saved by the policeman. 一般将来时 will +be+pp The T-shirt will be bought by me tomorrow. be going to+be +pp A new book is going to be written by him. 现在进行时 is/are/am being +pp A new bridge is being set up now. 过去进行时 was/were+being+pp A new movie was being shown at eight last night. 现在完成时 have/has+been +pp The work has been completed. 情态动词 can/should/may...+be+pp Books can be bought in the Book City. Unit 6: Caring for Your Health 宾语从句 宾语从句连词及例句(回顾9AU6学过的基础知识) 从句连词 例句 三要素 that(可省略) I said (that)I should go to Paris the next day. 1宾语从句用陈述语序; 2连接词的选用 3主句与从句的时态 what My teacher asked me what I did last night. why She didn't understand why she was chosen to be monitor. how I don't understand how he deals with the problem. where They haven't decided where they will have a trip. when I haven't decided on when we will meet tomorrow. which I want to know which school you will go to. who I didn't see who she is. if/whether I wondered if they could understand my English. 学科网(北京)股份有限公司 $