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教学课件
人教英语九年级下册
Unit1 语法专项 —— 句子类型复习
全解精讲+分层练习
1
1.掌握简单句、并列句、复合句三大句子类型定义
2.熟练识别五大简单句基本句型
3.掌握 and/but/so/or 并列连词用法
4.区分 when/if/as/but/whom 五类核心连词
学习目标
简单句 —— 定义
1.简单句:整句只有一套主谓结构
2.无并列连词、无从句引导词
3.可以有多个谓语,但共用一个主语
4.只有一个完整语义,无主次、无并列分句
5.英语所有句子的基础句型
简单句五大基本句型 1
S+V 主谓结构:主语 + 不及物动词
例句:Children celebrate. 孩子们庆祝。
动词后不需要加宾语,语义完整
常见动词:happen, rise, appear
最短的完整英语句子结构
简单句五大基本句型 2
S+V+O 主谓宾:主语 + 谓语 + 宾语
例句:We enjoy traditional festivals.
最常用句型,动作后跟承受对象
绝大多数及物动词都用此结构
简单句五大基本句型 3
S+V+IO+DO 主谓双宾
结构:主语 + 动词 + 间接宾语 + 直接宾语
例句:He shows us festival pictures.
间接宾语多指人,直接宾语多指物
常见动词:give, show, tell, send
简单句五大基本句型 4
S+V+O+C 主谓宾补结构
宾语补足语:补充说明宾语状态
例句:We call it a traditional custom.
没有补语,句子语义不完整
用来定义、称呼、描述事物
简单句五大基本句型 5
S+Link.V+P 主系表结构
系动词:be/feel/become/look
表语描述主语身份、状态、特征
例句:The festival is meaningful.
无动作,侧重 “主语是什么、怎么样”
简单句判定易错点
同一个主语用 and 连接双谓语,仍是简单句
例:We sing and dance.(简单句)
两套不同主语谓语,才不是简单句
无从句、无并列分句 = 简单句
并列句 —— 定义与结构
并列句:两套独立完整主谓结构
由并列连词连接,地位完全平等
分句可单独成句、互不修饰
核心连词:and /but/so /or
结构:简单句 + 连词 + 简单句
四大并列连词精讲
1.and 顺承并列:并且、然后
2.but 转折关系:但是、然而
3.so 因果关系:所以、因此
4.or 选择 / 否则关系:或者、要不然
并列句无主次、无从句
并列句例句
1.We clean the house, and we prepare gifts.
2.The festival is fun, but it is tiring.
3.It is rainy, so we stay at home.
4.Hurry up, or you will miss the show.
前后均为完整独立句子
复合句 —— 核心定义
复合句 = 主句 + 从句,有主次关系
主句:句子主干,可独立成句
从句:依附主句,不能单独成句
由引导词连接两套主谓结构
复合句两大分类(本单元)
宾语从句:引导词 that/if/whom/what
状语从句:引导词 when/as/although/if
从句用来修饰主句、补充信息
主从结构:一主一从、有主有次
所有带引导词的长句基本都是复合句
五大核心连词专项辨析
1.when:当…… 时(时间状语从句)
2.but:但是(只用于并列句)
3.whom:谁(宾格,从句作宾语)
4.as:当……/ 因为(时间 / 原因从句)
5.if:如果 / 是否(条件 / 宾语从句)
if 一词双义必考考点
1.状语从句:if = 如果,主将从现
2.宾语从句:if = 是否,时态随原句
3.语境判断:表条件 = 状语从句
4.表疑问、不确定 = 宾语从句
as 双重用法
1.时间状语:as = 当…… 时
2.原因状语:as = 由于、因为
3.语气比 because 弱,多用于书面
4.可替换 when/because 部分句型
whom 用法
1.whom 只能指代人
2.在从句中只能作宾语
3.不可作主语、不可指物
4.常用于 I don’t know / I wonder 后
5.定语从句、宾语从句通用
三种句子终极判定口诀
1.一套主谓 = 简单句
2.两套主谓 + 并列连词 = 并列句
3.两套主谓 + 引导词 = 复合句
4.同主语双谓语 = 简单句
5.有引导词必有复合句
易错点 1 although 不接 but
复合句 although/though 不能搭配 but
错误:Although it rains, but we celebrate.
正确:Although it rains, we celebrate.
转折连词只能保留一个
易错点 2 并列句 vs 复合句
1.and/but/so 连接 = 并列句
2.when/if/as/although 连接 = 复合句
3.无引导词、无主次 = 并列
4.有引导词、有主次 = 复合
5.区分核心:有无从句引导词
易错点 3 双谓语误判并列句
We cook and eat dumplings.
单主语、双谓语 = 简单句
很多学生误判并列句
必须两个不同主语才是并列句
题型一 句子类型判断:simple /compound/complex
1.I love traditional Chinese festivals.
2.The night is quiet, and stars shine brightly.
3.I wonder who will host the party.
4.He tries hard but he makes little progress.
5.When spring comes, festivals arrive.
simple
compound
complex
compound
complex
题型一 句子判断
7.Although it is cold, we enjoy the New Year.
8.They sing, dance and laugh together.
9.I will go or I will stay at home.
10.I don’t know where the parade starts.
complex
simple
compound
complex
题型二 选词填空(when/but/whom/as/if)
1.________ you work hard, you will get good results.
2.I wanted to join the show, ________ I had no time.
3.Do you know ________ we will invite to the party?
4.________ time goes by, we love festivals more.
5.I felt happy ________ I saw the lanterns.
If
but
whom
As
when
题型三 句型改写
1.合并简单句为并列句(and)
We clean rooms. We prepare New Year gifts.
2.合并为复合句(when)
The bell rings. We start the celebration.
3.合并为复合句(if 宾语从句)
Will he join us? I want to know.
We clean rooms and we prepare New Year gifts.
When the bell rings, we start the celebration.
I want to know if he will join us.
题型三 句型改写
4.拆分并列句为两个简单句
I read stories and I share them with friends.
5.拆分复合句为简单句
If it is sunny, we will watch the parade.
6.用 as 改写句子
We feel excited. The new year comes.
I read stories. I share them with friends.
It is sunny. We will watch the parade.
As the new year comes, we feel excited.
题型四 单项选择
1.It is late, ________we must go home. A. so B. when C. if
2.________I was young, I loved Spring Festival.
A. Though B. When C. But
3.I wonder ________will help prepare the party.
A. as B. but C. whom
4.He tries his best, ________he still fails. A. so B. but C. if
5.________you practise more, you will do better. A. If B. But C. As
A
B
C
B
A
6.Though he is tired, ________he keeps working.
A. but B. so C. /
7.We celebrate festivals ________they bring us joy.
A. as B. but C. whom
8.You must hurry, ________you will be late.
A. so B. or C. when
9.I don’t know ________you talked with just now.
A. as B. if C. whom
10.________the festival ends, we feel a little sad.
A. When B. But C. So
C
A
B
C
A
核心知识点总结
1.一套主谓:简单句;两套连词:并列句
2.两套主谓 + 引导词:复合句
3.but 不与 although 连用,绝对禁忌
4.if 双用法、as 双含义、whom 专指宾语人
5.单主语双谓语永远是简单句
教学课件
Unit1 语法专项 —— 句子类型复习
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