Unit4 Exploring Literature-Grammar and Usage 课件-2022-2023学年高中英语牛津译林版（2020）必修第二册

新牛津译林高中英语必修二Unit 4 Exploring Literature Grammar and Usage Exploring the Rules Grammar and usage: Free talk How do you choose books? You go to the book shop. You discuss with classmates or friends. You turn to teachers for help. You come across a book accidentally. Parents offer advice. Educators list the names of books. Book shops promote some best sellers. TV or online programs are meant to recommend books. Read a website article about how to choose books on Page 48. Grammar and usage: Read the article again and fill in the chart below(P48) The author’s viewpoint Get ideas from _______________. Develop ____________________. different sources your own taste ◆ ________________________________________________ _______________________________________________ ◆ ________________________________________________ ________________________________________________ ◆ ________________________________________________ ◆ ________________________________________________ Ask your friends, parents and teachers to recommend what books you ought to read. Read book reviews in newspapers, in magazines or online. Decide for yourself what kind of books to read. Look for books on topics that interest you. Working Out the Rules How do you explain modal verbs? 情态动词 情感 态度 情态动词，即表示人的情感和态度的动词。 The features of Modal verbs 情态动词的特征 没有人称和数的变化; 其否定形式在后面直接加not 情态动词后接动词原形 What Modal Verbs do you know? Modal verbs  could may might shall should have to must would will can Can 和 Could 1. 表能力 He can eat a bucket of rice. Can the news be true? I think it can’t be true. 2. 表推测，“可能” ，用于疑问句或否定句 Can/Could I use your dictionary? Could you lend me a hand? 3. 表请求或许可（表请求时，could比can语气更委婉） May 和 Might 1.表许可或征询对方许可 May I come in? Where is he from? He may/might from Chenzhou. 2.表把握不大的推测，”或许””可能”，常用于肯定句，might比may可能性小 (口语中常用might代may表委婉语气) Yes, you may. No, you mustn’t. will 与 would 1) 表示习惯性动作（habit），will 表示现在的习惯，would 表示过去的习惯。如： Mary will listen to music for hours in her ro