1、七年级英语上册Unit 4语法和写作知识一、语法(一)时间介词at, in, on用法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及特别节日等;In后常接周、月、年、季节等一段时间或一天的早午晚;at后常接具体的某一时刻,如几点钟等Eg: on Monday 在周一;on a cold morning 在一个寒冷的早上;on Childrens Day 在儿童节In a week 在一周里;in May 在五月份;in 2000 在2000年; in summer 在夏天At 6:00 在六点(二)频率副词1.频率副词用来表示某一动作发生的频率或某一状态出现的频率,常见
2、的有(按程度由大到小排列)always(总是,一直);usually(通常);often(经常);sometimes(有时);seldom (很少);never(从不)。2.对频率副词提问常用how often开头3.在句中位置(1)在连系动词be之后。 Eg: She is sometimes very busy.她有时非常忙。(2)在助动词或情态动词之后。 Eg: I can always remember you.我会一直记得你。(3)在行为动词之前。 Eg: We often go there. 我们经常去那。(4)sometimes可放在句首、句中或句末。 Eg: Sometimes
3、 she writes to me. 有时她给我写信。4.用法(1) often, always, usually等常和一般现在时连用,表示现在经常或反复发生的动作。Eg: I always go to bed at ten oclock. 我总是10点睡觉。(2) always可与进行时连用,并不强调动作正在进行,表示赞叹、厌烦等情绪。Eg: He is always thinking of others. 他总是为其他人着想。She is always asking silly questions. 她总是问愚蠢的问题。二、音标/ a: / 发音要领:口腔打开,嘴张大,下巴放低,舌平放,舌
4、尖不抵下齿,轻松发音。 字母组合:a - star; ar - card; au - aunt; al - half / :/ 发音要领:双唇收得小而圆,并向前突出,舌身向后缩。 字母组合:al - chalk; ou - bought; or - short; oor - door; ore - more; oar - board; our - four;Aw - draw; ar - warm;/ i: / 发音要领:嘴唇微微张开,舌尖抵下齿,舌前部尽力向上抬起,嘴角向两边张开,流露出微笑的表情,与字母e发音相同。 字母组合:e - he; ee - week; ea - teach; e
5、i - seize; ey - key;/ e / 发音要领: 嘴型扁平,舌尖抵下齿,舌前部稍抬起字母组合: e - egg/ bell/; ea - bread/ u: / 发音要领:口腔打开,嘴张大,下巴放低,舌平放,舌尖不抵下齿,轻松发音。 字母组合:u - ruler; ou - soup; oo - food; ui - fruit; ew - flew; / / 发音要领:嘴张大,舌尖抵下齿,嘴角尽量拉向两边,成扁平形。 字母组合:oo - look/ 发音要领:嘴型扁平,上下齿微开,舌身放平,舌中部稍抬起 字母组合:ur - nurse; ir - skirt; er - her
6、; ear - learn/ / 发音要领:嘴唇微微张开,舌身放平,舌中部稍微抬起,比发/ 时放低些,口腔自然,轻松发音字母组合:o - today ; er - teacher ; or - doctor ; ar - dollar ; a - ago三、写作话题一:Write an article about hands - on learning at your school* 提示:1.My favourite chore/activity is.2.At my school, every student.3.I .in the morning/ afternoon/ evening.
7、4.On Monday/ Tuesday.I .5.This chore helps me .6.I like this chore because .* 写作步骤定文体(记叙文)、人称(第一人称)、时态(一般现在时)* 范文: At my school, every student is happy to do some chore for our school.In my class, we often do some chores after class.Everyone needs to take turns to do different chores.My favourite chore is cleaning the blackboard.On Monday , Wednesday and Friday, I clean the blackboard in the afternoon.And Daniel cleans it on Tuesday and Thursday afternoon.I like this chore because I can make the classroom look nice.This chore helps me become a tidy one.2