《精品推荐：最新人教版八年级英语下册各单元语法点汇总》由会员分享，可在线阅读，更多相关《精品推荐：最新人教版八年级英语下册各单元语法点汇总（6页珍藏版）》请在金锄头文库上搜索。
1、1 Unit 1 What s the matter 一 询问某人的健康问运及遭到麻烦的表达方法 1 询问某人患了何种疾病或遇到了何种麻烦时 常用以下几种结构来表达 What s the matter with sb 某人 怎么了 What s wrong with sb 某人 怎么了 What s the trouble with sb 某人 出什么事了 What happened to sb 某人 发生了什么事 Are you OK 你没事吧 Is there anything wrong with sb 某人有什么事吗 2 要表达身体疼痛或不舒服 可用以下结构 某人 have has 病
2、症 The twins have colds 双胞胎感冒了 某人 have has a headache toothache stomachache backache earache She had a stomachache last night 她昨晚肚子痛 某人 have has a sore 发病部位 He has a sore throat 他喉咙痛 某人 hurt s 身体部位或反身代词 He hurt his leg 他的腿受伤了 某部位 hurt s My head hurts badly 我头痛得厉害 某人 have has a pain in one s 身体部位 I ha
3、ve a pain in my chest 我胸口痛 There is something wrong with one s 身体部位 There is something wrong with my right eye 我的右眼有毛病 其他表达方式 She has a heart trouble 她有心脏病 He got hit on the head 他头部受到了撞击 She cut her finger 她割破手指了 二 情态动词should 的用法 1 Should 为情态动词 意为 应该 应当 否定式为shouldn t 其后接动词原形 无人称和数的变化 常用来表 示征询意见 建议
4、劝告 要求或义务等 You should drink hot water with honey 你应该喝加有蜂蜜的开水 He should put his head back 他应该把头后仰 We should try our best to help him 我们应当尽力去帮助他 You shouldn t watch TV 你不应该看电视 2 Should 用于主语为第一人称的疑问句 表示征询意见 Should I put some medicine on it 我应当给它敷上药 吗 Should we tell her about it 我们应该告诉她这件事吗 拓展 在英语中 表示建议的
5、说法有很多 而且都是中考考查的重点 主要结构有 Would you like to do sth 你想要 愿意 做 某事吗 Would you like to play basketball with me 你想要和我一起打篮球吗 Shall I we do sth 我 我们做 好吗 Shall we go to the zoo tomorrow 明天我们去动物园 好吗 Why not do sth 为什么不 呢 Why not join us 为什么不加入到我们当中来呢 How What about doing sth 做某事怎么样 How about going swimming 去游泳怎
6、么样 Let s do sth 让我们做 吧 Let s go home 咱们回家吧 You d better not do sth 你最好 不 要做某事 You d better not go there alone 你最好不要一个人去那儿 Unit 2 I ll help clean up the city parks 动词不定式 A 作主语 为避免句子的头重脚轻 常用it 作为形式主语 而真正的主语动词不定式后置 常用句型 2 It be adj n for of sb to do sth It takes sb some time to do sth B 作宾语 动词want deci
7、de hope ask agree choose learn plan need teach prepare 常接动词不定式作宾语 C 作 后置 定语 常用于 have has sth to do 或 enough 名 to do It s time to do sth 等结构中 D 作 宾 语 补 足 语 tell ask want invite teach like call等 可 接 带to 的 动 词 不 定 式 作 宾 语 补 足 语 构 成 tell ask want call invite sb to do sth 结构 注意 动词不定式作使役动词和感官动词的宾语补足语时应省去t
8、o 一感 feel 二听 listen to hear 三让 let make have 四看 look at see watch notice 半帮助 help E 动词不定式作状语 主要用来修饰动词 表示目的 结果或原因 为了强调目的 有时可以把动词不定式放在句首 或在不定式前加 in order to 或 so as to 为了 目的是 常用结构有too adj adv to do sth 等 F 固定句式中动词不定式的用法常见的形式有 had better not do sth Would you like to do sth Why not do sth Would you plea
9、se not do sth 等 Unit 3 Could you please clean your room Could you please 句型 1 请求别人时通常用此句型 也可以说 Can you please 情态动词 could 或 can 在这里均表示请求 在意思上无 区别 但是用could 在于其上显得更委婉 客气 诚恳 在日常生活中常使用could you I 若在句末加上please 则显得更礼貌 Could you help me find my book please 你能帮我找到我的书吗 2 对 could you I 的问句作出肯定回答 常用 sure certai
10、nly of course 等 如果作否定回答 常用 sorry 或 oh please don t 一般不用no 开头 用 no 显得语气生硬 不礼貌 3 表示请求的句式 Would you like to do Would you mind doing Let s do Shall I we do Please do 祈使句前加please 提示 could you please 与 could I Please 两种问句 前者是请求别人帮忙的句式 后者是有礼貌地向别人请求允许 的交际用语 试比较 Could you please help me 请你帮我一下好吗 Could I plea
11、se invite my friends to my birthday party Mom 妈妈 我能邀请我的朋友参加我的生日聚会吗 Unit 4 Why don t you talk to your parents 1 提建议向别人发出邀请 请求 建议 或征求某人的意见的其他表达方式 How what about doing sth about 是 个介词 可跟名词或动名词 怎么样 You d better not do something 你最好 不 做某事 Would you like sth 你想要某物Let s do sth What should I do should 表示请求
12、征询对方意见 2 学会谈论问题和学会用why don t you 提建议向别人发出邀请 请求 建议 或征求某人的意见的表达方式 Why don t you do something Why not do something 你为什么不做某事呢 来表示请求 征询对方意见 until so that although 引导的状语从句 1 until 在带有till 或 until 引导的时间状语从句里 如果主句用肯定式 其含义是 一直到 时 谓语动词只能 用延续性动词 如果主句用否定式 其含义是 直到 才 在 以前不 谓语动词可用瞬间动词 Don t get off until the bus s
13、tops 2 so that 引导目的状语从句 为了 以便 例如 He studies hard so that he could work better in the future 3 although 的用法意思相当于though 尽管 虽然 引导让步状语从句 引导的从句不能与并列连词but and so 等连用 但可以和yet still 等词连用 例如 Although he was tired he went on working 尽管他很累 但是他继续工 作 Unit 5 What were you doing when the rainstorm came 过去进行时 1 基本概
14、念 过去进行时表示在过去某一时刻或一段时间内正在进行的 3 动作 这一特定的过去时间除有上下文暗示以外 一般用时间状语来表示 2 结构 was were not 动词 ing 3 句式 肯定式 I He She It was working We You They were working 否定式 I He She It was not working We You They were not working 疑问式和简略回答 Was I working Yes you were No you were not Were you working Yes I was No I was not W
15、as he she it working Yes he she it was No he she it was not Were we you they working Yes you we they were No you we they were not 注 1 was not 常缩略为wasn t were not 常缩略为weren t 2 一般过去时与过去进行时用法的比较 一般过去时表示在过去某个时间发生过的动作或存在的状态 而过去进行 时则表示在过去某一时刻或某一段时间正在进行的动作 例如 David wrote a letter to his friend last night
16、大卫昨晚给他的朋友写了封信 信写完了 David was writing a letter to his friend last night 大卫昨晚一直在给他的朋友写信 信不一定写完 4 过去进行时中的when 和 while when while 区别 1 由 when 引导的时间状语从句 主句用过去进行时 从句应用一般过去时 由 while 引导的时间状语从句 主句 用一般过去时 从句应用过去进行时 When the teacher came in we were talking 当此句改变主从句的位置时 则为 While we were talking the teacher came in 2 如果从句和主句的动作同时发生 两句都用过去进行时的时候 多用while 引导 如 They were singing while we were dancing Unit 6 An old man tried to move the mountains 1 unless 引导条件状语从句 unless if not 除非 若不 They will go tomorrow unless
