2019-2020学年高中英语 Unit 2 Poems Period Four Grammar—Subjunctive Mood（2）课件 新人教版选修6.pptx

PoemsUnit 2Period Four　Grammar—Subjunctive Mood (2)PART 1语法导学达标检测PART 2PART 1语法导学感悟规律 重点难点剖析◆语法感知感知以下句子，补全方框下的小题1.I suggest you (should) have enough sleep.2.My suggestion is that we (should) walk home instead of taking a taxi.3.The pencil seems as if it were broken when it is partly put in the water.1.当suggest，suggestion表“建议”时，其后的宾语从句、表语从句的谓语动词用 ，should可以省略。2.在as if引导的表语从句中，用 表示与现在事实相反的虚拟语气，be动词常用 。should＋do过去时were查看答案◆语法精析一、虚拟语气在名词性从句中的用法1.在“It’s necessary/strange/natural/important/a pity/no wonder/impossible＋that-clause”句型中，从句要用虚拟语气，即“从句中的谓语动词要用(should＋)动词原形”。It is important that we (should) master a foreign language.我们掌握一门外语是重要的。It is strange that she (should) refuse to come to the party.很奇怪，她竟然拒绝参加晚会。It’s necessary that we (should) study hard.我们努力学习是必要的。2.表示“建议”“命令”“要求”等的动词如suggest，propose，order，demand，request，require，insist等后面的宾语从句中，谓语动词用“(should＋)do”形式。I suggest/propose/order/demand/request/require/insist that he (should) be sent to the nearest hospital as soon as possible.我建议/命令/要求/坚决要求他应尽快被送往最近的医院。注意：当suggest表示“暗示，表明”之意时，则不用虚拟语气；当insist表示“坚持认为”之意时，也不用虚拟语气。The expression on his face suggested that he was very angry.他脸上的表情表明他很生气。3.在表语从句、同位语从句中的用法：在suggestion，proposal，order，request，requirement，advice等名词后的表语从句、同位语从句中，谓语动词用“(should＋)do”形式。My suggestion is that we (should) send a few comrades to help the other groups.我的建议是我们应派几位同志去帮助其他小组。He gave an order that the work (should) be done at once.他下命令立刻做这项工作。二、虚拟语气在其他结构中的用法1.在“It is(about/high) time＋(that)...”结构中，that从句的谓语用过去式，有时也可用“should＋动词原形”形式，should不能省略。It is high time that we fought/should fight against the haze.是我们该同雾霾开战的时候了。2.由as if/though引导的方式状语从句或表语从句有时也用虚拟语气。与现在事实相反谓语用过去时，与过去事实相反用过去完成时。The man speaks as if he were a foreigner.这人说话像个外国人。They met for the first time，but they talked as if they had been good friends for years.他们第一次见面，但他们交谈起来好像是多年的好朋友一样。注意：as if/though从句中不一定都要用虚拟语气。如果情况的真实性、可能性很大，就要用正常时态来描述。例如：It looks as if it is going to rain.天看起来好像要下雨。(下雨的可能性很大)3.某些简单句的固定句型：Heaven help him！愿老天帮助他！God bless