文档介绍：四年级上册英语知识点汇总
一． 语音知识
。 Aa Ee Ii Oo Uu
Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz
。
（1）元音音标。 前元音：[ i: ] [ i ] [ e ] [ æ ] 1) 舌尖要抵住下齿。
2) 舌前部向硬颚部分抬起。
3) 双唇不要收圆，发[ i: ] [ i ] [ e ] 时双唇平展，发[ æ ]时口形要张大，扁唇。
4) 唇形舌位保持不变，否则就要发成双元音。
[i: ]发音组合: e ee ea ie ei Eg:be me see we he she eat free three tree please team read keep
[i ]发音组合: i Eg;it in is sit big pig pick give kiss miss think rich which fish city chick finish six little
[e ]发音组合: e ea a Eg:get wet neck bed dead egg pen ten tell text spend friend many seven yellow
[æ ]发音组合: a Eg:cap map fat hat bad man hand thank happy bag 后元音：舌尖不触下齿, 舌身后缩, 舌后部向软颚部分抬起。
[a:] [u:] [u] [ɔ:] [ɔ] [a:]
[a:]发音组合：ar ear al arm art hard fast last class glass party after father large car star heart half [u:] 发音组合：oo o ou u food fool cool shoot blue too two do who you food tooth lose noon moon true pupil school
[u] 发音组合：oo u ou foot good cook pull full bull should put foot cook look book could woman good cut
[ɔ:] 发音组合：a oo aw ou ore au or ar talk ball hall call door floor law force born sort warn law talk horse story water forty
[ɔ] 发音组合：o
[ɔ ]top shop what hot hop wash watch song long stop clock body sorry orange lot 中元音：所谓中