高中英语 Module 1 Small Talk Section Ⅱ Grammar教学案 外研版选修6-外研版高二选修6英语教学案

Section Ⅱ Grammar——need 的基本用法课前自主预习[例句·体验]1．I've ordered some pizza, so we needn't worry about cooking when we get home tired.我已经预订了一些披萨饼，所以当我们到家感到累的时候就不必担心做饭的事了。2．I couldn't have enjoyed myself more—it was a perfect day.我从没有玩得这么开心过——真是完美的一天。3．We needn't have bought so much food now that Suzie won't be with us for dinner.既然苏西不和我们一起吃晚饭，我们本没必要买这么多的食物。4．There is no class on Sunday. You needn't have woken me up so early.星期天不上课，你本不必这么早叫醒我的。5．It was an informal party so I didn't need to wear a suit.这不是个正式晚会，所以我没有必要穿正装。6 ． I bought some fruits home but my wife had bought a lot of them, so I needn't have bought any.我买了一些水果，但我的妻子已经买了很多，因此我本不必买的。7．Need you have paid so much?你用得着花那么多钱吗？8．I didn't need to take the bus because I drove the car.我没必要乘公交车因为我开车了。课堂合作探究[语法·讲座]1．用作实义动词，后可接名词、代词、不定式和动名词，有时态、人称和数的变化。Mark needs to learn Chinese since his company is opening a branch in Beijing.马克需要学习汉语，因为他的公司要在北京开一个分公司。The doctor said he needed an operation.医生说他需要手术。名师点津当主语是表示“物”的名词时，用作实义动词的 need 后接动名词的主动形式表示被动含义。need doing＝need to be done。A dog needs taking out/to be taken out for a walk every day.狗得每天带出去遛。2．用作情态动词，后接动词原形，常用于否定句和疑问句中。You needn't finish that work today.你今天不必把那项工作做完。Need he come here?他有必要来吗？★归纳·拓展在回答带有 need 的问句时，肯定回答用 must，否定回答用 needn't 或 don't have to。—Need I finish the work before ten？我需要在 10 点前完成工作吗？—Yes, you must.是的，你必须。—No, you needn't/don't have to.不，你不必。3.di...