七年級英語上冊 Unit 2 This is my sister（第3課時）Section A(Grammar Focus3c)課件 （新版）人教新目標版

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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)閺蛿?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結尾的詞加es。eg：busbuses公共汽車；watchwatches手表以o結尾的詞加s或es。eg：photophotos照片；tomatotomatoes土豆以輔音字母加y結尾的

2、，將y變i，再加es。eg：familyfamilies家庭以f或fe結尾的單詞，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引導的特殊疑問句Who引導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人稱代詞主格復數(shù)？”。【注意】其回答形式應為“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、語法填空基礎訓練。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