七年级英语下册 Module 4 Unit 3 Water Festival重难点讲解 上海牛津版

用心 爱心 专心 1 ModuleModule 4 4 TheThe naturalnatural elelementsements UnitUnit 3 3 WaterWater FestivalFestival 教学过程 重点词汇 allow beware contain equal form gather get on with quest ice cube iced matter milliliter minus player plus point preparation punch shame sound suitable turn into while not only but also 这个连词的意思是 不但 而且 不仅 而且 重点在后者 代词人称不同时 动词随后面的代词 如 Lu Xun is famous not only in China but also in all the world He speaks not only English but also French He not only said it but did it Not only he but also I am invited not only but also 两个分句时态要一样 当 not only 置于句首 前一个分句要倒装 Not only to us the importance of doing the work but they also told us the best way to do it A did they explain B they explained C they explain D had they explained look forward to 的用法 短语动词 look forward to doing sth 意为期待着 做 某事 其中的 to 是介词 而不是动 词不定式符号 如 Boys and girls are looking forward to Children s Day 孩子们渴盼着儿童节 He s looking forward to hearing from his daughter 他期待着女儿的来信 含有 look 的短语动词还有 look for 寻找 look after 照看 照顾 负责处理 look back on 回顾 回想 look into 了解 调查研究 look out for 当心 注意 look over z 翻 阅 审校 检查 look round 回头望 查看 等 时间状语从句 1 when 引导的时间状语从句 常译为 当 的时候 when 的从句可以用延续性动词 也 可以用点动词 eg He was working at the table when I went in So meone knocked at the door when I was sleeping I will visit my good friend when I have time I worked for a foreign company when I was in Shanghai 用心 爱心 专心 2 注 when 也可以作并列连词 表示一个动词正在进行的时候 突然间发生了另外一件事 eg I was fishing by the river when someone called for help 我正在河边钓鱼 就在那时有人求救 We were working in the chemistry lab when the lights went out 我们正在化学实验室工作 突然灯都熄灭了 2 while 引导的时间状语从句 常译为 与 同时 在 期间 while 的从句中常用延 续性动词或表示状态的词 eg They rushed in while we were discussing problems Father was cleaning the car while I was playing computer games 注 while 也可以作并列连词 表转折的关系 相当于 but 译为 然而 eg I like listening to music while my brother likes doing sports 3 as 引导的时间状语从句 常译为 当 的时候 一边 一边 as 的从句中可使用延 续性动词 也可使用点动词 eg He sang as he was working 他一边工作一边唱歌 As time goes by we have a better understanding of things around us 随着时间的推移 我们对自己周围的事物有了更好的理解 4 before 和 after 引导的时间状语从句 before 强调主句的动作发生在从句的动作之前 而 after 强调主句的动作发生在从句的动作之后 eg He had been a cook before he went to college He called me after he had finished his work 注 若主句和从句两个动作发生的先后顺序十分接近 那么也可以不用完成时态 例如上面 的第二句可改成 He called me after he finished his work 5 as soon as 引导的时间状语从句 译为 一 就 eg He will go to see you as soon as he gets here She got everything ready as soon as she got to school 6 since引导的时间状语从句 译为 自从 主句常用现在完成时 从句常用一般过 去时 eg We have made many dumplings since we began to cook We haven t seen each other since we parted 注 常用句型 It is 时间段 since 从句 译为 自从 有多长时间了 eg It is six years since she graduated from the university 7 till 和 until 引导的时间状语从句 译为 直到 为止 not till until 引导 的时间状语从句 译为 直到 才 前者强调主句动作的结束 用延续性动词 后者强调 主句动作的开始 用点动词 用心 爱心 专心 3 eg I will wait for my friend until till he comes We won t start our discussion until till he comes either or 与 neither nor 用法上的区别 either or 表示两种可能性中任选一种 其后面必须连接两个相同的句子成份 例如 The sentence can be either true or false 句子要么是对的要么是错的 You can either come with me or walk home 你要么跟我一块去 要么走回家去 Either mum or I cook supper 要么我母亲要么我做晚饭 neither nor 连接两个相同的句子成分 表示否定的意思 动词的单复数形式与 nor 后的 单词主谓语相一致 例如 Neither Li Lei nor Wang Hai was there 李雷和王海都不在那里 I neither watch TV nor listen to the radio 我既不看电视也不听收音机 系动词亦称连系动词 Link Verb 作为系动词 它本身有词义 但不能单独用作谓语 后边必 须跟表语 亦称补语 构成系表结构说明主语的状况 性质 特征等情况 说明 有些系动词又是实义动词 该动词表达实义时 有词义 可单独作谓语 例如 He fell ill yesterday 他昨天病了 fell 是系动词 后跟补足语 说明主语情况 He fell off the ladder 他从梯子上摔下来 fell 是实义动词 单独作谓语 1 状态系动词 用来表示主语状态 只有 be 一词 2 持续系动词 用来表示主语继续或保持一种状况或态度 主要有 keep rest remain stay lie stand 3 表像系动词 用来表示 看起来像 这一概念 主要有 seem appear look 4 感官系动词 感官系动词主要有 feel smell sound taste 例如 This kind of cloth feels very soft 这种布手感很软 This flower smells very sweet 这朵花闻起来很香 5 变化系动词 这些系动词表示主语变成什么样 变化系动词主要有 become grow turn fall get go come run 6 终止系动词 表示主语已终止动作 主要有 prove turn out 表达 证实 变成 之意 must 与 have to 辨析 I must do what you tell me You must come and visit me I have to go now We don t have to go to school on Sunday 用心 爱心 专心 4 among 用作介词 意思是 在 中 在 范围内 1 We divided the apples among ourselves 2 She is among my best friends 3 He is popular among the people from among 从 中 He chose one from among the three books among 与 betwee