1、七年级英语上册Unit 3课文解析1.The class begins at 8 oclock. 八点开始上课。易混辨析on、in、at在接时间时区别:on后常接具体某一天或某一天的早午晚;In后常接周、月、年、季节等一段时间;at后常接具体的某一时刻,如几点钟等Eg: on Monday 在周一;on Monday afternoon 在周一下午;on a cold morning 在一个寒冷的早上In a week 在一周里;in May 在五月份;in 2000 在2000年; in summer
2、在夏天At 6:00 在六点2.时间表达法:用法详解(1)整点:基数词(+ oclock) Eg: three oclock 三点(2)如果分钟不超过30,可直接用“钟点 + 分钟”表达 Eg: nine twenty 九点二十或用“分钟 + past + 钟点”表示几点过几分 Eg: twenty past nine 九点二十(3)当分钟是30时,可用half表示“半点” Eg: half past six 六点半或用“钟点 + 分钟” &nb
3、sp; Eg: six thirty 六点半(4)如果分钟超过30,可用“钟点 + 分钟” Eg: five forty 五点四十或“(60-分钟数) + to + (时钟数+1)”表达 Eg: twenty to six 五点四十(5)分钟为15分时,一般用a quarter来代替fifteenEg: a quarter past four 四点十五A quarter to three 两点四十五3.We all like the PE class. 我们都喜
4、欢体育课。易混辨析 both与all区别:Both强调两者之间,可与of/and连用,而all强调三者或三者以上,只可以与of连用;二者作主语时,谓语动词都需用复数形式。Eg: Both of them are friendly. 他们两个都很友好。All of them are friendly. 他们所有人都很友好。4.What time is it now? 现在几点了?用法详解本句常常用来询问时间,其同义句为“Whats the time now?”易混辨析What time和when区别:What time
5、 “几点”,常常用来询问时间点,此时相当于when;When“什么时候”,既可以问时间点,也可以问时间段,还可以询问年、月、日。Eg: - What time do you usually go to school? - At 7:00.- 你通常什么时候去上学? - 在7:00.- When do you go to school? - From Monday to Friday.- 你什么时候去上学? - 从周一到周五。5.Its time for our Chinese class. 到了我们上语文课的时候。用法详解tim
6、e用法小结Time为不可数名词时,译为“时间”;为可数名词时,译为“次数”常见搭配Its time for sth. = Its time (for sb.) to do sth. 到了(某人)做某事的时候Eg: Its time for dinner.= Its time for us to have dinner. 到了我们吃晚饭的时候。知识拓展其它常见搭配On time 按时; in time 及时; all the time 一直;at times 有时Three times 三次;how many times
7、 多少次 6.It is time to have . class. 到了上.课的时候。用法详解have 学科 class/ lesson 上.课Eg: We have PE lessons on Wednesday and Friday. 我们周三和周五上体育课。 7.But sometimes by bike 但有时骑自行车易混辨析sometime, some t
8、ime, sometimes与some times的区别:歌谣:分开“一段时间(some time)”;相聚“某个时刻(sometime)”;“有时(sometimes)”相聚加s;分开“几次(some times)”加s。Eg: I will stay here for some time. 我将在这儿待一段时间。I will go to Beijing sometime next month. 下个月某个时间我要去北京。I sometimes get up at 8:00. 我有时八点起床。I have seen the film some time
9、s. 我已经看着这部电影几次了。8.How about you? 你呢?用法详解how about常用来建议、看法等,相当于what about;注意:后面常常接名词、代词或动词ing形式。Eg: How about your mother? 你妈妈呢?How about going swimming? 去游泳怎么样?9.Subway station 地铁站10.Go outside 去外面11.Work hard 努力工作用法详解work (名词/动词) 工作;运转常见搭配at work  
10、;在工作Eg: He works from Monday to Friday. 他从周一到周五上班。My father is at work now. 我爸爸现在正在工作。How machines work? 机器是如何运转的?12.Many other + 名词复数 许多其它的.Eg: We study Chinese, English and many other subjects. 我们学习汉语、英语和其它学科。13.School bus 校车注意:其复数形式为sch
11、ool buses14.Take photos 拍照用法详解photo为可数名词,译为“照片”,其复数形式为photos常见搭配take a photo/ photos 拍照易混辨析photo和picture区别photo常指拍摄出来的图片;picture除“照片”之外,还可以表示“图片;电影”等。Eg: He is taking a photo. 他正在拍照片。Here is a photo of my family. 这是一张我的全家福。15.Be different from . 与.不同Eg: The b
12、ook is different from that one. 这本书和那本书不同。16.Make friends with sb. 和某人交朋友Eg: She wants to make friends with Lily. 她想要和丽丽交朋友。17.On each floor 在每层楼用法详解Each (代词) (两个或两个以上人物中的)每个常见搭配Each family 每个家庭 (作主语时谓语动词用单数)知识拓展each与every区别:(1)each强调整体范围内的“每一个个体”
13、;every强调整体范围内的“每一个都”(2)each可以用来指两个或两个以上的人或物,但every却指三个或三个以上的人或物(3)Every只能作定语,each不仅可作定语,也可以作主语或同位语Eg: Each man has his own name. 每个人有他自己的名字。He has read every book on the shelves. 书架上所有的书他都读过了。18.Go through 浏览Eg: Go through the text quickly 快速浏览文章19.Search for &
14、nbsp;搜寻Eg: The police is searching for the lost boy. 警察正在搜索丢失的男孩。20.After school 放学后用法详解after用法小结After为介词,译为“在.之后”,后接动词ing形式;其反义词为before。常见搭配after class 下课后;after lunch 午饭后Eg: After reading the letter, he threw it in the waste - paper basket. 他看完信后把它扔进了废纸篓。21.Every da
15、y 译为“每天”,常常用在一般现在时中。知识拓展every week 每周;every month 每月;every year 每年;every term 每学期易混辨析every day与everyday区别Every day译为“每天;天天”,放在句首或句末,表示发生的频率。everyday为形容词,译为“日常的;普通的”,常作定语,修饰名词。Eg: I help my mother to clean the house every day. 我每天帮我妈妈打扫房间。22.ID card 身份证23.My time in the juni
16、or high school is exciting. 我在初中的时光很令人兴奋。知识拓展Senior high (school) 高级中学Primary school 小学Kindergarten 幼儿园University/ college 大学24.Play sports with friends 和朋友一起做运动用法详解with用法小结(1)“和一起” Eg: I go to school with Lily
17、. 我和莉莉一起去学校。(2)“长着;戴着”Eg: The girl with big eyes is Lily. 那个长着大眼睛的女孩是丽丽。(3)“拿着”Eg: Our teacher goes into the classroom with a book. 我们老师拿着一本书走进教室。(4)“用” Eg: She wrote the letter with a pencil. 她用铅笔写字。(5)“带有”Eg: I like drinking coffee with milk. 我喜欢和加奶的咖啡。25.Here is the web page of our school. 这是我们学校的网页。用法详解Here are/ is. 译为“这是/有.”当后面名词用单数时,则用here is;后面名词为复数时,则用here are.注意:该句中from Class 1, Grade 7为介词短语作后置定语,修饰前面名词studentsEg: Here is your ticket. 这是你的票。She is a girl from London. 她是一个来自伦敦的女孩。4