外研版九年级英语上册《Language in use》Wonders of the world PPT教学课件，共29页。新课导入Language practiceI visited the Giant’s Causeway two years ago.It produces electricity for millions of people.I’ve never seen it, so I’m not sure I agree with you.I looked into the east — the sky was becoming grey.You’ll get there in five minutes.Am I going the right way?新课导入重要回顾1. I think natural wonders are more interesting than man-made ones.1) I think 为主句，后面是省略了连接词that的宾语从句。2) ones 作代词，指代wonders。 ones 指代复数名词，同类不同物。2.Far below me，the ground fall away and down to a river.在我下方很远，地面沉降到下面深谷中的一条河里。fall away 消失/疏远新课讲解一般现在时：表示目前经常性，习惯性，反复性的动作。结构：主语是第三人称单数，即“谓语动词+s/es”； 反之则谓语动词用原形。例如：I work / she works标志词：sometimes, never, often, always，usually, on Sundays,every day, in the morning等。例句：My father works everyday.—Does your father work everyday?—Yes,he does.My father doesn't work everyday.一般过去时：过去某个时间里发生的动作或状态. 结构： 1.am/is → was are → were2.谓语动词用过去式,规则变化+ed标志词：…ago, yesterday, the day before yesterday, last week(year, night, month…), in 2008, just now, at the age of 5, one day, long long ago, once upon a time等。例句 :He worked late yesterday.—Did he work late yesterday?—No，he didn’t.He didn’t work late yesterday.一般将来时：1.表示某人打算、计划做某事。2.对将来的预测。结构：1.计划: 主+be going to +动词原形 2.预测: 主+ will + 动词原形标志词：tomorrow, the day after tomorrow ,next day(week, month, year…),soon, in a few minutes（in +一段时间）, from now on，in the future等。例句：I will work in a hospital next month.—Will you work in a hospital next month?—No, I won’t.I won’t work in a hospital next month.现在进行时：表示正在发生或一段时间内正在发生的动作。结构：主+be(am, is, are)+ v.-ing标志词：now, at this time, these days, look, listen,at the moment, It’s seven o’clock 等。例句：They are working now.—Are they working now?—No, they aren’t. =They aren’t working now.过去进行时：表示过去某段时间或某一时刻正在发生或进行的行为或动作。结构：was/were+v.-ing标志词：then, at this time yesterday, at that time, at that moment yesterday, at 7 o’clock last night,以when引导的谓语动词是一般过去时的时间状语。例句：He was working then.—Was he working then? —No, he wasn’t.He wasn’t working then.现在完成时：过去发生或已经完成的动作对现在造成的影响或结果，或从过去已经开始，持续到现在的动作或状态。结构： have/has + done （动词的过去分词）标志词：already, yet, just, recently, lately, since+时间点, for+时间段，ever, never等。例句：I have worked for two years.—Have you worked for two years?—No, I haven’t.I haven’t worked for two years.... ... ...关键词：Language in use PPT课件免费下载，Wonders of the world PPT下载，.PPTX格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。