初高中衔接 第五节 时态-【优化探究】2023-2024学年新教材高中英语必修第一册同步导学案配套PPT课件（人教版）

人教英语必修第一册 返回导航上页下页 第五节时态 人教英语必修第一册 返回导航上页下页 初高衔接 知识梳理 课堂检测素养达标 人教英语必修第一册 返回导航上项下页 初高衔接 知识梳理 一、一般现在时 1.一般现在时表示经常发生或习惯性的动作或状态及客观事实和 普遍真理。一般现在时常以动词原形表示，但当主语是第三人称 单数时，动词词尾加-s或-es。 2.句型结构：主语十v.(包括be动词)十（宾语）十… She is an engineer. He has breakfast at 6:00 every day. 人教英语必修第一册 返回导航上页下页 3.适用条件： (I)一般现在时通常与always,often,usually,every day, sometimes,once a week等时间状语连用。 I always watch TV at 8:00 in the evening. They go home once a week. We usually do our homework at home. 人教英语必修第一册 返回导航上页下页 (2)表示客观事实或普遍真理。 The light travels faster than the sound. (3)表示永久性的动作或状态。 He lives in the country. (4)在时间状语从句和条件状语从句中，常用一般现在时代替将来 时。 If you ask him,he will help you. 人教英语 必修第一册 返回导航上项下页 4.第三人称单数动词变化规则： (1)一般情况下在动词词尾加-s。 come-comes speak-speaks live-lives work-works (2)以o,s,x,ch,sh结尾的单词，一般在词尾加-es。 do-does go-goes finish-finishes brush-brushes s fix-fixes pass-passes watch-watches 人教英语必修第一册 返回导航上页下项 (3)以“辅音字母十y”结尾的单词，变y为i加-es。 study-studies carry-carries cry-cries (4)以“元音字母十y”结尾的单词，在词尾直接加-s。 play-plays stay-stays 人教英语必修第一册 返回导航上页下页 5.否定句和疑问句。 (1)He isn't an engineer. -Is he an engineer? -Yes,he is./No,he isn't. (2)We don't get up at 7:30 in the morning. -Do you get up at 7:30 in the morning? -Yes,we do./No,we don't. 人教英语」 必修第一册 返回导航上页下页 二、一般过去时 1.一般过去时表示发生在过去的动作或存在的状态，通常与表示 过去的时间状语yesterday,last night,some years ago,inl990,in those days等连用。 I was a student 6 years ago. I went to Beijing last year. They saw a film last night 人教英语 必修第一册 返回导航上页下页 2.句型结构：主语十).过去时十（宾语）十. He left for Shanghai yesterday. I cleaned the room half an hour ago. When I was a child,I often played football in the park