If it should rain tomorrow, I would not go out with you 2.虚拟条件句连接词if的省略 如果虚拟条件句的从句中含有were, had, should, could等词时,可以省略连接词ⅱf,但 这时必须把were,had, should could等词移到主语前面,形成倒装。这种句型主要用于 书面形式。 Were I to do the job, I would finish doing it within two weeks Had it not been for his help, we couldnt have arrived there on time Should it rain tomorrow, I would stay at home 3.wish后宾语从句中的谓语构成 动词wish后的宾语从句表示未实现的或不可能实现的愿望,其宾语从句中的谓语动词 要用虚拟语气,有以下三种构成形式 1)表示现在不可能实现的愿望,宾语从句中的谓语动词用一般过去时。(be的过去式为 were)。 I wish I had enough money to buy a ca I wish I were as young and energetic as you 2)表示过去未能实现的愿望,宾语从句中的谓语动词用过去完成时(had+过去分词)或 “ would/ could+have+过去分词”。 I wish I hadnt made such a mistake I wish i could have done it better 3)表示将来不可能实现的愿望,宾语从句中的谓语动词用“ would/ should( could, might)+ 动词原形”。 I wish I would not get old I wish I could travel around the world one day 4.某些动词后的宾语从句中谓语动词要用虚拟语气 在一些动词后面的宾语从句中,谓语动词要用虚拟语气。这时,谓语动词用动词原形或 should+动词原形。这类动词一般表示命令,要求,决定,建议,主张等概念,主要有 advise, ask, command, decide, demand, desire, direct, insist, move, order, propose recommend, request, require, suggest,等。 The workers demanded that their wages(should) be raised by 10 per cen The teacher decided that you do the experiment first 5.某些名词后的表语从句和同位语从句中谓语动词要用虚拟语气 在一些名词后面的表语从句和同位语从句中,谓语动词要用虚拟语气。这时,谓语动词 用动词原形或 should+动词原形。这类名词一般表示命令,要求,决定,建议,主张等 概念,主要有: advice,idea, Instruction., motion, order,plan, proposal, recommendation request, requirement, suggestion, f My suggestion is that we(should)ser a doctor immediately He gave the order that they(should) experiment again 6.错综时间条件句 条件从句表示的动作和主句表示的动作,有时发生的时间是不一致的如从句是对过去If it should rain tomorrow, I would not go out with you. 2. 虚拟条件句连接词 if 的省略 如果虚拟条件句的从句中含有 were, had, should, could 等词时，可以省略连接词 if，但 这时必须把 were, had, should, could 等词移到主语前面，形成倒装。这种句型主要用于 书面形式。 Were I to do the job, I would finish doing it within two weeks. Had it not been for his help, we couldn’t have arrived there on time. Should it rain tomorrow, I would stay at home. 3. wish 后宾语从句中的谓语构成 动词 wish 后的宾语从句表示未实现的或不可能实现的愿望，其宾语从句中的谓语动词 要用虚拟语气，有以下三种构成形式。 1) 表示现在不可能实现的愿望，宾语从句中的谓语动词用一般过去时。（be 的过去式为 were）。 I wish I had enough money to buy a car. I wish I were as young and energetic as you. 2) 表示过去未能实现的愿望，宾语从句中的谓语动词用过去完成时（had +过去分词）或 “would / could + have +过去分词 ”。 I wish I hadn’t made such a mistake. I wish I could have done it better. 3) 表示将来不可能实现的愿望，宾语从句中的谓语动词用“would / should (could, might) + 动词原形”。 I wish I would not get old. I wish I could travel around the world one day. 4. 某些动词后的宾语从句中谓语动词要用虚拟语气 在一些动词后面的宾语从句中，谓语动词要用虚拟语气。这时，谓语动词用动词原形或 should +动词原形。这类动词一般表示命令，要求，决定，建议，主张等概念，主要有： advise, ask, command, decide, demand, desire, direct, insist, move, order, propose, recommend, request, require, suggest,等。 The workers demanded that their wages (should) be raised by 10 per cent. The teacher decided that you do the experiment first. 5. 某些名词后的表语从句和同位语从句中谓语动词要用虚拟语气 在一些名词后面的表语从句和同位语从句中，谓语动词要用虚拟语气。这时，谓语动词 用动词原形或 should +动词原形。这类名词一般表示命令，要求，决定，建议，主张等 概念，主要有：advice, idea, instruction, motion, order, plan, proposal, recommendation, request, requirement, suggestion,等。 My suggestion is that we (should) send for a doctor immediately. He gave the order that they (should) do the experiment again. 6. 错综时间条件句 条件从句表示的动作和主句表示的动作，有时发生的时间是不一致的.如从句是对过去