内容正文:
Unit3 知识清单知
识
归
纳
语音语调
字母发音例词:br 发 /br/(bread, brown, brother, brush)
一般疑问句语调为升调,答句语调为降调;Let’s 引导的祈使句语调为降调。
必记单词
firefighter 消防员;police officer 警察;farmer 农夫;teacher 老师;doctor 医生;bus driver 公交车司机;dentist 牙医;nurse 护士;fire 火;job 工作;sick 生病的;hospital 医院
常考短语
put out fires 灭火;look after 照顾;help sick people 帮助病人;help students learn 帮助学生学习;grow fruit and vegetables 种植水果和蔬菜;keep the city safe 保障城市安全
必会句型
询问职业:What do they do? — They are …
询问单三职业:What does he/she do? — He / She is a …
描述职业工作:A firefighter puts out fires.
描述梦想职业:I want to be a dentist.
介绍家人职业:She is a nurse. She helps sick people.
核心语法
What do/does + 主语 + do? 询问职业句型(主语复数用 do,单数用 does)
职业名词的构成(teach→teacher, drive→driver)
一般现在时描述职业工作(主语三单动词变三单)
want to be 表示 “想要成为”(后接职业名词)
考
点
速
记
考点 01
考点 01 What do/does… do? 询问职业句型
—What do they do?(他们是做什么工作的?)
—They are firefighters.(他们是消防员。)
—What does she do?(她是做什么工作的?)
—She is a teacher.(她是一名老师。)
解析
本单元核心句型,用于询问职业。
主语为复数(they, people 等),用助动词do:What do + 主语 + do?
主语为第三人称单数(he, she, it, 单数名词等),用助动词does:What does + 主语 + do?
回答用:主语 + be 动词 + a/an + 职业名词。
拓展
同义句型:What is sb.? / What is sb.'s job?
例:What is your father? = What does your father do? 你爸爸是做什么的?
提分练
一、单项选择
( ) 1. —What does he do? —______
A. He is a doctor. B. He is doctor. C. He do a doctor.
( ) 2. What ______ they do?
A. do B. does C. are
( ) 3. —What do your parents do? —______
A. They are teachers. B. They is teachers. C. They are teacher.
二、按要求改写句子
He is a firefighter.(对划线部分提问)
___________________________________________________________
考点 02
考点 02 职业名词的构成
例句:
teach(教)→ teacher(老师)
drive(驾驶)→ driver(司机)
解析
常见职业名词构成规则:
动词 + -er → 表示做该动作的人
例:work→worker, farm→farmer, drive→driver, teach→teacher
部分特殊职业:dentist(牙医), nurse(护士), doctor(医生)
拓展
以 e 结尾的动词直接加 - r:write→writer, dance→dancer
重读闭音节双写末尾字母加 - er:run→runner, swim→swimmer
提分练
一、写出对应的职业名词
teach → ________
drive → ________
farm → ________
work → ________
二、单项选择
( ) My mother is a ______. She helps students learn.
A. teacher B. teach C. teaches
考点 03
考点 03 一般现在时描述职业工作
例句:
A firefighter puts out fires.(消防员灭火。)
A farmer grows fruit and vegetables.(农民种植水果和蔬菜。)
解析
一般现在时中,主语为第三人称单数时,动词要变三单形式:
一般动词 + s:grow→grows, help→helps
以 s/x/ch/sh/o 结尾 + es:teach→teaches, go→goes
辅音 + y 结尾,变 y 为 i+es:study→studies
拓展
主语为复数时,动词用原形:Firefighters put out fires.
提分练
一、用所给词的适当形式填空
A doctor ______ (help) sick people.
Teachers ______ (help) students learn.
A bus driver ______ (drive) a bus.
二、单项选择
( ) A farmer ______ vegetables.
A. grow B. grows C. growing
考点 04
考点 04 want to be 表示 “想要成为”
例句:
I want to be a dentist.(我想要成为一名牙医。)
She wants to be a nurse.(她想要成为一名护士。)
解析
want to be + 职业名词,表示 “想要成为……”
主语为第三人称单数时,want 变wants
to 后接动词原形be
提分练
一、单项选择
( ) 1. I want ______ a teacher.
A. be B. to be C. is
( ) 2. She wants ______ a doctor.
A. be B. to be C. are
二、按要求完成句子
I want to be a firefighter.(对划线部分提问)
________________________________________________________
考点 05
考点 05 语音:/br/
例句:
bread /bred/ 面包(/br/)
brown /braʊn/ 棕色的(/br/)
解析
字母组合 br 发浊辅音 /br/,发音时双唇爆破,声带振动。
拓展
常见发音词:brother, brush, bring, breakfast
提分练
判断下列单词划线部分发音是否相同(T/F)
bread / brown ____
brother / brush ____
book / brown ____
参考答案
考点 01 提分练
一、1.A 2.A 3.A
二、What does he do?
考点 02
一、teacher, driver, farmer, worker
二、A
考点 03
一、1.helps 2.help 3.drives
二、B
考点 04
一、1.B 2.B
二、What do you want to be?
考点 05
T 2. T 3. F
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