2019春人教（江西）八年级英语下册课件：Unit 4单元语法(共12张PPT)

★句型“ Why don t you do?” 用来向对方提出建议或征求意见 Why don t you do Why not do ·· Why don't you go to bed earlier? =Why not go to bed earlier?你为何不早点睡觉? I.单项填空。 (C)1.-It's very hot outside. you stay at home? A, not B not to C. dont D.didn’t Why don’tyou…?你为何不……? B)2 give him a ticket to a ball game? A. Why not you B. Why dont you C. Why not to D. Why you not Why not= Why don't you,后接动词原形。 Ⅱ.同义句转换。 1. why dont you go out for a walk? Why not go out for a walk? 2. Why dont you buy a birthday cake for your father? Why not buy a birthday cake for your father ★连词 until, so that和 although “直到……为止;到……时”,引导时间状语从句 肯定句中,“直到……为止” until I stayed there until he came back.我一直待到他回来为止。 否定句中,“直到……才 i didn t leave until he came back.直到他回来我才离开。 “以便;为了” until, so that 引导目的状语从句,句中常伴有情态动词 although的用法 so that Please open the window so that we can breathe fresh air 请把窗户打开以便我们能呼吸新鲜空气。 though“虽然;尽管;即使” althoug m)0引导让步状语从句,和不可用于同一个句子中 Although he is very old, he is quite srtong他虽然年纪大了,但还很强壮。 (A)2.(湖北十堰中考)_ You look so tire