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1、Unit 2This is my sister.七年級英語上冊(浙江地區(qū))第三課時Section A (Grammar Focus3c)單元同步語法精講be動詞的變化:am或is變?yōu)閍re。eg:Im a girl.我是一個女孩。We are girls.我們是女孩??蓴?shù)名詞的變化:可數(shù)名詞單數(shù)變?yōu)閺?fù)數(shù)時,要注意以下變化規(guī)則。一般情況下詞尾加s。eg:bookbooks書;penpens鋼筆以s,x,ch,sh結(jié)尾的詞加es。eg:busbuses公共汽車;watchwatches手表以o結(jié)尾的詞加s或es。eg:photophotos照片;tomatotomatoes土豆以輔音字母加y結(jié)尾的
2、,將y變i,再加es。eg:familyfamilies家庭以f或fe結(jié)尾的單詞,將f或fe變?yōu)関,再加es。eg:leafleaves葉子;knifeknives刀子一去:即名詞前不定冠詞a/an要去掉。eg:This is a ruler.這是一把尺子。These are rulers.這些是尺子。一堅持:即原句中的形容詞、定冠詞the、副詞、介詞短語等保持不變。eg:What color is the jacket?這件夾克衫是什么顏色?What color are the jackets?這些夾克衫是什么顏色?Who引導(dǎo)的特殊疑問句Who引導(dǎo)的特殊疑問句通常用來詢問人的身份。常用句型“
3、Who is人稱代詞主格單數(shù)?/Who are人稱代詞主格復(fù)數(shù)?”?!咀⒁狻科浠卮鹦问綉?yīng)為“人稱代詞主格is/are.”,不能回答為“It is/This is/That is/These are/Those are.”。單元同步語法精練一、語法填空基礎(chǔ)訓(xùn)練。1These are my _(friend)2Who _(be) these girls?3Its _(she) bike.4 _(That) two boys are David and Dale.5Are _(this) girls your friends?friendsareherThosethese6Is _(he) fath
4、er a teacher?7She and I _(be) good friends.8Your fathers parents are your _(grandparent)9This is _(I) sister.10Who are _(it)?hisaregrandparentsmythey二、按要求完成句子。11That is my pen.(改為一般疑問句并作否定回答)_your pen?No,_12These are his rulers.(改為一般疑問句并作肯定回答)_his rulers?Yes,_Is thatit isntAre thesethey are13Theyre
5、my sisters.(改為單數(shù)句)_my _14That is a black key.(改為復(fù)數(shù)句)_black _15Are those jackets?(改為單數(shù)句)_that_?16Those are my_parents(對畫線部分提問)_those?ShessisterThose arekeysIsa jacketWho are17She is her_mother(對畫線部分提問)_she?18他們是誰?他們是我的朋友_my _19這些是你的父母嗎?_your parents?20那是我的哥哥托尼。_my brother Tony.Who isWho are they?TheyrefriendsAre theseThat is