Unit 6 Section B 知识点课件 2023-2024学年人教版英语八年级上册

Unit 6 l'm going to study computer science. Section B 八 英语 上册 年级 人教版 1 重点词句运用 1. Were you able to keep them? 你能坚持下来吗？ be able to和can都有“会；能够”的意思，但我们使用时要注意其区别。 （1）can是情态动词，无人称和数的变化，过去式为could。而 be able to有人称、时态和数的变化。 （2）be able to 可与情态动词连用，其后接动词原形，而can不能。例如： I shall be able to speak English well. 我的英语会讲得好的。 2 （3）be able to可用在不定式之后，而can不能。例如： I hope to be able to go shopping with you on Sunday.我希望星期天能和你一块去买东西。 （4）表示请求和允许以及表示猜测时，只能用can，不能用be able to。例如： Can I carry your bag？ 我来替你拿包好吗？ Mr.Green can’t be at home now.格林先生现在不可能在家。 【注意】 当表示现在或过去的“能力”时，两者可通用。例如： No one was able to answer the question. =No one could answer the question. 没有人能回答这个问题。 I can swim. =I am able to swim.我会游泳。 【经典习题】根据句意用be able to或can 的适当形式填空。 ① He tried hard and __________________ swim across the river. could/was able to ② My little brother __________________ ride a bike when he was only six years old. could/was able to ③ No one _______________ do the work. can/is able to 4 2. It’s a kind of promise. 它是一种承诺。 【经典习题】根据汉语提示完成句子。 ① 他昨天答应给我这本杂志。 He ______________________________________________________ yesterday. promised me the magazine/promised the magazine to me ② 他们承诺明天会完成这项工作。 They__________________ the work tomorrow. promise to finish 3. Many resolutions have to do with self-improvement. 很多决心与自我提高有关系。 have to do with 有“关于……；与……有关系”之意，表示与某事或某人有牵连、有关系、有瓜葛。 6 have something to do with是“与……有点关系”的意思。 have nothing to do with 是“与……没有关系”的意思。have much/a lot to do with意为“与……有很大关系”。例如： That book has to do with computers. 那本书与计算机有关。 Sports have something to do with health. 运动对健康有点影响。 I don’t know him at all and I have nothing to do with him. 我根本不认识他，而且我和他没关系。 【经典习题】根据汉语提示完成句子。 1. 这本书与科学没有一点关系。 This book ________________________ science. has nothing to do with 4. Some people might say they are going to take up a hobby like painting or taking photos， or learn to play the guitar. 有些人可能会说他们打算开始培养像绘画、照相或者弹吉他这类的爱好。 take up的具体含义有： 8 （1）开始从事；学做某事。例如： My grandpa took up gardening as a hobby after he retired． 我爷爷退休后开始把园