2020年春人教版九年级下册（安徽）英语作业课件：Unit 13 单元语法专题(共11张PPT)

(6)特殊疑问句:把疑问词what,how, where等放 于句首。 e.g.: How are you feeling today?你今天感觉 怎么样? 2.被动语态 (1)性质:当主语为动作的承受者时,谓语要用被动 语态,动作的执行者由by引出。当我们不知道 谁是动作的执行者或只需强调动作的承受者 时,需用被动语态 (2)基本结构:主语十be动词的过去分词十其他 e.g.: We are allowed to go out.我们被允许 外出 (3)否定形式:主语+be+not+动词的过去分词 其他 3.现在完成时 (1)概念:过去发生或已经完成的动作对现在造成 的影响或后果;或从过去已经开始,持续到现在 的动作或状态 (2)时间状语: recently, lately, SInce…,for…, in the past few years等 (3)基本结构:have/has+done (4)否定形式have/has+not+done (5)一般疑问句:把have/has放于句首 e.g.: Have they been to the uk twice?他们 去过英国两次吗? 语法知识专练 一、单项填空 )1.(2019·青岛) As middle school students,we follow the public rules wherever we go A would B should C. might D. could )2.(2019·河北) These cakes with chocolate. Have one, please A. fill B. filled C. are filled D. were filled )3.(2019·淮安)— What is your mother doing, Linda? She dinner in the kitchen now 1S cOOking B was cooking C. cook cooking )4.(2019·黔西南、黔南、黔东南)— How man letters ou to your mother? 109 in all, since 2016 A, has: written B. have: writteni C. did: write D are; writing ()