Unit 1 4.第三课时（作业课件）-【优翼·学练优】2024-2025学年七年级英语下册同步备课（人教版2024）

( 学练优七年级英语下(RJ) 第三课时 Grammar Focus(3a~3d) 语法精讲 (一)what、where和why引导的特殊疑问句 结构 特殊疑问词+一般疑问句,当疑问词作主语时,特殊疑问句语序用陈述句语序。 回也 why为疑问副词,意为“为什么” .用来询问原因或理由。常用 引导的状语从句来回答。 如: -Why do you like English? -Because it is interesting. why 回归 where为疑问副词,意为“在哪里”,用来询问__。 如: -Where are you from?/ Where do you come from?-I am/come from Chengdu,China. where what为疑问代词,意为“什么”,通常用来询问关于物体、事物、人或具体细节的问题。 如: -What do you usually do at weekends? -I often visit my grandparents. what what还可以和名词一起构成特殊疑问词组,如whatcolour.whattime等。 (二)可数名词变复数 一般情况,在词尾加-s,如:book-books,giraffe-giraffes 以s.x.ch,sh结尾,在词尾加-es,如:fox-foxes,watch一 规则变化 以辅音字母加v结尾,变y为i再加-es,如:baby-babies.familyfamilies 以f或fe结尾,变f或fe为v再加-es,如:wolf-wolves.knifeknives 口回数 表示有生命的词,在词尾加-es,如:tomato一 以辅音字母加o结尾 表示无生命的词,在词尾加-s,如:piano一pianos 单复数同形,如:sheep-sheep, deer-deer 改a为e型,如:man-men,woman一 (特例:human-humans) 不规则变化 改oo为ee型, 如:foot-feet. tooth-teeth 其他形式,如:child-children,mouse-mice 语法精练 I.根据句意用括号内所给单词的适当形式填空 1. We see a lot of g0ose) swimming in the lake. 2. Some (notice) are on the blackboard. Let's have a look. 3. Panda Meng Meng five has (child), including(包括) Meng Lan. 4. There are many (photo) of this farm. These tomato) look beautiful in them. 5. Lucy and Lily are close friends but they have different (hobby). (wolf) teamwork. They have good v usually hunt(狞猎)together. 7.Whenthecatisaway(离开的),all the (mouse) will play. II.按要求完成句子。 1. Why do you go to see the tigers. Tom? (改为否定句) go to see the tigers, Tom? 2.Lionscome fromAfrica.(对画线部分提问 lions come from? 3.Scott likescatsanddogs.(对画线部分提问 Scott like? 4. Why do you like foxes? (用smart来回答) II. 微语篇练语法 根据语境用合适的词填 空。(每空一词) A:Excuse me.1. is Jiangnan Zoo,please? want to visit it. B:It's in Fengman District. A: Is it far? B: Yes,very far. 2. are you from? A:I'm from Africa.