Unit 11 Conflict and Compromise 单元语法精讲课件-2023-2024学年高中英语北师大版（2019）选择性必修第四册

Unit11 单元语法精讲 1     1 | 助动词do/does/did强调谓语动词 　　I do understand why you are upset 我确实理解你为什么难过 (教材P28) 结构 情景导学 She does work very hard at her English.她学习英语真的很用功。 Jack said he would come and he did come.杰克说他要来,他果真来了。 If you have a job, do devote yourself to it and finally you'll succeed.如果你有一份工作,一定要 全身心投入其中,最后你会成功的。 Knowing you are interested in China, I do believe you can help me solve the puzzle.知道你对中 国感兴趣,我真的相信你能帮我解决这个难题。 (写作—跨文化交流) Unit 11 单元语法知识精讲 用法归纳 ①助动词do/does/did强调谓语动词,用于一般现在时或一般过去时的　　　    句中,意为“确 实”“果真”“真的”“的确”等。 ②在　　　    句中,do表示强烈的请求,而不是命令,有时它可以使邀请对方的态度更加 客气、热情、友好,而且亲切,可译为“务必”。 肯定 祈使     2 | not only...but (also)...不但……而且…… She added that it wasn't only the water falling onto their balcony from Smith watering his plants that bothered them, but also the way he cleaned his fish tanks.她补充说,使他们苦恼的不仅是史 密斯给他的植物浇水时洒落到他们阳台上的水,还有他清洗鱼缸的方式。(教材P31) 结构 情景导学 Not only he but also you are wrong.不但他错了,你也错了。 There, he not only did well as a student but also became an accomplished public speaker.在那里, 他不仅是一名优秀的学生,而且成了一名技艺高超的公众演说家。 (2020江苏) Not only does the ocean offer us sufficient food, but it also maintains the balance of nature.海洋 不仅为我们提供了足够的食物,而且还维持了自然的平衡。 (写作—海洋的重要性) 用法归纳 ①not only...but also...可以连接两个并列的主语、　　　    、宾语、表语、状语等。 ②not only...but also...连接并列主语时,谓语动词要遵循“　　　　　    ”原则。 ③not only...but also...还可以连接两个并列的分句。当其连接两个分句时,若not only位 于分句句首,则not only所在的分句要用　　　    语序,but also所在的分句不用。 谓语 就近一致 倒装     3 | be doing...when...正在做……这时(突然)…… 　　We'd be sitting there happily reading our newspapers, when suddenly...我们本来正开开心 心地坐在那里看报纸,这时突然…… (教材P31) 结构 情景导学 I was sitting in my room with my cat, Smartie, on my lap, when the roof just flew off.我正在我 的房间里坐着,我的猫Smartie趴在我的大腿上,这时屋顶刚好飞掉了。 (外研必修三) I was standing by the car when a hummingbird flew to the center of our group and began hover- ing.我正站在车旁边,这时一只蜂鸟飞到我们队伍的中心,开始盘旋。 (2023浙江1月) 结构拓展 并列连词when还可以构成以下结构: had just done...when...刚做完……这时…… be about to do...when...正要做……这时…… be on the point of doing...when...正要做……