高二语文精品课件《赤壁赋》
Unit 12 You’re supposed to shake hands. Section A 1. You should have asked what you were supposed to wear. 你应该事先问一问该穿什么衣服。
【要点指津】 should have done 表示“本应该做某事而实际上没有做”。 其否定形式是 shouldn’t have done，表示“本不应该做某事而实 际上做了”。 needn’t have done 表示“本没有必要做某事而实际 链接 上做了”。
【同步互动】 Look at the time! We ________ at the theatre ten minutes ago. C A. should be C. should have been B. need have been D. must have been 解析：题意：看看时间！十分钟前我们就该在电影院了。 should be 应该，多用于虚拟语气或表示将来；need 与 have done 连用时一般只用其否定形式 needn’t have done，表示“本不需要 做却做了”；should have done 本应该做却没做；must have done (表较肯定的推测)一定已经做了。故选 C。 2. Often we just walk around the town center, seeing as many of our friends as we can! 我们经常只是到市中心走走， 同时尽可能多地见见朋友！ 【要点指冿】 (1)本句中的 seeing as many of our friends as we can 为现在 分词短语，在句中作伴随状语，可以改写成由 and 连接的并列 分句，即 and see as many of our friends as we can。 (2)as... as one can 意为“某人尽可能地……”，可与 as... as possible 互换。 【同步互动】 ①All the students walk towards the school gate,
_______ and laughing happily. A. talk C. to talk
B. talked
D. talking 解析：题意：学生们往校门口走去，开心地谈笑着。
talking and laughing happily为现在分词短语作伴随状语。 D ②—How can I play the guitar better? —The best way is to practice as ________ as you can. A. much B. many C. more D. less A 解析：as... as one can中间需接形容词或副词的原级，排除 C、D；much 修辞动词，故选 A。 be supposed to do sth.的用法 be supposed to do sth. 意 为 “ 应 该 做 某 事 或 被 期 望 做 某 事”，常用于表示根据规定、计划或传统习惯等不得不做或应该 做某事。在 be supposed to do sth.的结构中，人称、时态、句式 上的变化通过 be 动词的变化来体现。如： The new law is supposed to prevent crime. (肯定句)这条新法令应该起到防止犯罪的作用。 You are not supposed to smoke on the bus. (否定句)你不能在公共汽车上抽烟。 注意：be supposed to 与 should 的区别：
be supposed to 表示一种客观的陈述，语气显得
委婉，不带 强烈的命令色彩；而 should 侧重于说话者主观上的判断，语气 比较生硬。
【同步互动】 ①The students ________ to wear school uniforms when they are at school. It’s a school rule. A. are supposed to C. would like to B. are allowed to D. love to 解析： 题意：学生在学校时应该穿校服，这是一条校规。 be supposed to 应该；be allowed to 被允许；would like to 想要； love to 喜欢。根据题意选 A。 A ②这些书你不能拿出屋去。 You _______ _________
______ ______ the books out of the room. ③我们应该从别人的错误中吸取教训。 We ________ learn from the mistakes of others. aren’t supposed to take should
高二语文精品课件《赤壁赋》
