(
课件网) Unit 2 Stay Healthy 第三课时 Section A (Grammar Focus 4a—4d) 人教版 八年级 英语（下） Let’s review! _____ _____ _____ _____ _____ _____ have a fever have a bruised knee have a sore throat have a nosebleed have a runny nose have a headache Read the sentences. Underline the modal verbs for advice and circle the reflexive pronouns. 4a Grammar Focus What’s wrong I ate too much last night. Now my stomach aches. You shouldn’t eat so much next time. What’s the matter I have a really bad toothache. You should see the dentist and get an X-ray. You could eat some soft food for now. How did you hurt yourself I hurt myself when I fell off my bike. Be more careful next time. If we are not careful, we can easily hurt ourselves. 情态动词的用法 表建议的情态动词(should、could) should 和 could 是情态动词，后接动词原形，可以用来表示提议或建议。 1. should should用来提建议时，意为“应该；应当；可以”，表达说话人的主观看法，认为做某事是合理、正确或明智的，带有一定的责任或义务意味，语气相对较 强。其否定式是 shouldn't,意为“不应当；不该”。 If you have a headache, you should lie down and rest. 你如果头疼，应该躺下来休息。 We shouldn't spend all our money in one go. 我们不应该一下子把所有钱都花掉。 should的基本用法及示例 用法 示例 表示劝告、建议 表示义务、责任 表示推测、判断 You should answer the question in English.你应该用英语回答这个问题。 We should help people in trouble. 我们应该帮助处于困境中的人们。 They should be at home now， I think.我认为，他们现在应该在家里。 用法 示例 表示惊讶、赞叹、不满等 How should I know 我怎么会知道 should的基本用法及示例 2、could could也可以用于提建议，意为“可以”，给出一种建议或可能性， 不带有强制性，语气比can 更委婉。 You could try this new restaurant. 你可以试试这家新餐厅。 If you're bored， you could read a book. 你如果觉得无聊，可以读本书。 用法 示例 提出建议 请求许可 推测可能性 提出请求或要求 could的基本用法及示例 You could try reading before bed to relax.你可以试试睡前阅读来放松。 Could we leave early today 我们今天可以早点走吗 The answer couldn't be wrong. 答案不可能错。 Could you help me carry this box 你能帮我搬这个箱子吗 情态动词should/could的用法 解析：情态动词无人称和数的变化 情态动词后要加动词原形 变否定句时，情态动词后加not 变一般疑问句时，情态动词提到句首 口诀： 不随主语变，后接动词原。 变否加not, 变疑要提前。 1．—Miss Fang, how can I speak good English —I think you _____ practise speaking it every day. A．wouldn’t B．shouldn’t C．Should D．would 2．If you don’t want to _____ the exam any more, you _____ work harder. A．take; should B．take; will C．fail; should D．fail; will C C 3．Yes, Jasmine. First, you _____ always focus on what the teacher says in class. Take notes when you need to. A．may B．may not C．should D．shouldn’t 4．Young Chinese people _____ keep the motherland at heart, aim high, and have their feet firmly on the ground. A．should B．can C．may D．need C A 表示“我(们)自己”“你(们)自己”“他/她/它(们)自 己”的代词称为反 ... ...
