初一英语上册知识点总结

初一英语上册知识点总结一、词汇1.人称代词&物主代词（必考）人称主格

(作主语)宾格

(作宾语)形容词性物主代词(后加名词)名词性物主代词

(后面不加名词)我Imemymine你youyouyouryours他hehimhishis她sheherherhers它itititsits我们weusourours你们/他们you/theyyou/themyour/theiryours/theirs口诀：主格放句首，宾格动介后；形物代后面必须加名词，名物代单独用。2.名词1.可数名词变复数规则·一般直接+s：bookbooks·s/x/ch/sh结尾+es：boxboxes，watchwatches·辅音+y结尾，变y为i+es：familyfamilies；元音+y直接+s：boyboys·f/fe变v+es：knifeknives·不规则：manmen，womanwomen，childchildren，sheepsheep1.不可数名词：water,milk,bread,rice没有复数，不能直接加a/an；表数量用：acupof…twocupsof…3.冠词a/an/the·a：辅音音素开头abook·an：元音音素开头anapple，anhour·the：特指；双方都知道；独一无二事物；序数词、乐器前·零冠词：球类、三餐、星期、月份前不加theplaybasketball二、核心句型（七年级上册重点）1.be动词(am/is/are)I用am，you用are，is连着he/she/it；单数is，复数are。否定：amnot/isn’t/aren’t疑问：Be动词提前。例：IamfromChina.—AreyouTom?—Yes,Iam./No,I’mnot.2.This/That/These/Those·Thisis…这是…（单数近）；Thatis…那是…（单数远）·Theseare…这些是…；Thoseare…那些是…问句：What’sthis/that?→It’sa…问句：Whatarethese/those?→Theyare…3.一般现在时（实义动词）主语不是he/she/it，动词用原形；主语三单(he/she/it/单数人名)动词要变三单。动词三单变化：①一般+s；②s/x/ch/sh/o结尾+es；③辅音+y变y为i+es否定：don’t/doesn’t+动词原形；疑问：Do/Does放句首。例：Ilikeapples.Helikesbananas.—Doeshelikebananas?—Yes,hedoes./No,hedoesn’t.4.特殊疑问句疑问词含义what什么who谁where哪里how怎样howold多大howmuch多少钱；多少（不可数）howmany多少（可数复数）whatcolor什么颜色结构：特殊疑问词+一般疑问句例：Whereismypen?Howoldareyou?HowmuchistheTshirt?5.have/has表示“有”I/You/We/Theyhave…He/She/Ithas…否定：don’thave/doesn’thave；疑问Do/Does…have…?例：Ihaveasoccerball.Hehasapingpongbat.6.介词1.时间介词·in+年/月/季节in2026,inSeptember·on+具体某一天onMonday,onSeptember8th·at+时刻at7:001.地点介词：in在里面；on在上面；under在下面；behind在后面7.购物句型·CanIhelpyou?需要点什么？·Whatcolordoyouwant?你想要什么颜色？·Howmuchisit?It’s…dollars.·I’lltakeit.我买了。8.日期、月份12个月份要会拼写；序数词：first(1st),second(2nd),third(3rd)…问生日：—Whenisyourbirthday?—MybirthdayisonOctober1st.三、语法重点1.名词所有格（…的）1.有生命：单数名词+’s：Tom’sbook；复数s结尾+’：thegirls’room；不规则复数+’s：children’sroom2.无生命用of：thedooroftheroom2.Therebe句型（某地有某物）Thereis+单数/不可数；Thereare+复数；就近原则Thereisapenandtwobooksonthedesk.疑问：Isthere…?Arethere…?否定：Thereisn’t/aren’t…⚠️区分：have是人拥有；therebe是某地存在有3.可数&不可数名词搭配·howmany+可数名词复数·howmuch+不可数名词/问价格四、作文高频话题1.介绍自己/朋友（姓名、年龄、班级、爱好）2.介绍家庭照片3.购物4.介绍一日作息5.介绍自己的房间物品摆放五、易错点汇总1.a/an看发音，不看字母：anhour（h不发音元音