初中英语条件句讲解.ppt

考点、热点回顾 【词汇辨析】 1. accept与receive accept “接受”，表示其行为是由主观意愿决定的。 I accepted it without question. 我毫无疑问地接受了它。 We have accepted his proposal. 我已接受了他的建议。 receive “接到、收到、受到”表示其行为与主观意愿无关。 I received a letter from him. 我收到了他的来信。 He received the present, but he did not accept. 他收到了礼物，但没有接受下来。 He received a good education.他受到了良好的教育。 [注意] 在表示接待、接见时，通常用 receive, 而不用 accept. 如：We often receive foreign guests. 我们经常接待外宾。 2. agree to，agree with与agree on(up on) agree to “同意、应允”通常用于同意某件事情（我们可以同意我们自己有不同看法而并不赞同的事情）。Do you agree to this plan? He agreed to my proposal.他同意了我的提议。 agree with “同意、赞同”常常表示同某人意见一致，也可表赞同某件事情。还有“（气候、食物等）适合”之意。如： Do you agree with me ? I agree with all you say.我同意你所说的。 His words do not agree with his actions.他言行不一致。 Too much meat doesn’t agree with her. 吃太多肉对她身体不合适。 [注意]：agree with 不能用于被动语态。 agree on /upon “对……取得一致意见”指两方或多方就某个问题取得了一致的意见或达成了某种协议。 After discussion the two sides agreed on the date of the next meeting.经过讨论，双方就下次会议日期达成了协议。 They all agree on the plan.他们对这个计划意见一致。 [注意]：此句型可转换成agree in doing sth.如： All of them agreed on / upon it. = All of them agreed in doing it. 他们对做这个问题达成了共识。 【条件句】  真实条件句 连接词条件从句结果从句IfIf + 主语 + 一般现在时一般将来时---表可能：If he runs, he’ll get there on time. may/ might/ can---允许/能力：If it stops snowing, we can go out.must/ should---命令，请求，劝告：If you want to lose weight, you must/ should eat less bread.一般现在时---客观事实：If you heat ice, it turns to water. （二）虚拟条件句 虚拟语气表示一种假设的情况，或一种主观的愿望，即动词所表示的动作或状态并非事实，或不可能实现。英语虚拟语气的形式有下列几种：? 一、与现在事实相反 连接词条件从句结果从句IfIf + 主语 + 一般过去时（be动词一般用were）主语+ should/would/ could/ might +动词原形如： If he had the time, John would make a trip to China to see the Great Wall. If I were you, I would give up drinking immediately(立即、立刻).? If I didn’t have a cold, I would go to your birthday party. 二.与将来事实相反 连接词条件从句结果从句IfIf + 主语 + should/would/were to+动词原形主语+ should/would/ could/ might +动词原形如： If you should lose, what would you do? If I were to see her tomorrow, I would tell her the truth. 三、与过去事实相反 连接词条件从句结果从句IfIf +主语+过去完成时（had+过去分词）主