新人教版高中英语必修2Unit1 Cultural Relics--虚拟语气的用法

Unit 1 Cultural Relics家庭法的用法I .在非实际条件语句中使用假设法：(包含使用假设音的条件语句的复合语句称为“实际条件语句”)1.在表示与当前事实相反的情况时，if子句中的谓词使用动词的过去时态(be动词的过去时态代替was，主句中的谓词使用should/would/could/might动词原形(should使用第一人称，would使用2-3人)A.if I had more time，I should study computer better。B.if he were not so busy，she would attnd the meeting this afternoon。C.if they didn t take exercises every day，they wouldent be so healthy。2.当表示与历史事实相反的情况时，if子句中的谓词是had done格式，主语句中的谓词是should/would/could/might have done格式A.if shehad invited me yesterday，I should have gone to the party。B.I would have checked my paper again if I had more time at yesterdays exam。C.if you had taken the teacher s advice，you would not have failed in the exam。3.表示与未来事实相反的情况时，if子句的谓语形式为： 。should动词原形；.were to do。主句的谓语形式为： should/would/could/might动词原型A.if she should invite me tomorrow，I would go to the party。B.if it were to rain tomorrow，our picnic would be put off。二.非实际条件句中家庭法的几种变体：1.省略条件子句在if:语句中，如果条件子句的谓词中有were、had、should等单词，则可以省略if，并将were、had、should放在句子的开头A.were I you (=if I were you)，I would get up early very early。B.had you arrived(=if you had arrived)at the station ten minutes earrier yesterday，you could have caught the train。2.如果主句时间不一致，主句谓语动词的形式取决于要表示的特定时间A.you would speak English well if you had practiced speaking it before。B.if shehadent trained so hard，she woulden t be able to run so fast now。4.假设的条件不是条件子句，而是用介词短语、子句等其他方式表达的，这种句子称为隐含条件句A.without music，the world would be a dull place。b . we could have done better with more money。C.he would have given you more help，but he has been so busy。三.as if/though子句中的假设方法：1.表示与当前事实相反或对情况有怀疑，as if/though子句谓词使用过去时态A.he speaks English so well as if shehad stud English in England。B.She looks as if she were ill。2.与过去的事实相反，as if/though子句谓词以过去式结束A.the machines operated as if it had been repaired。四。在主题条款中使用家庭法：如果表达说话者的观点、想法或意见，可以在句子“It is/was adj. that子句”中使用虚拟语气。主语的谓语动词用should do表示当前或未来的情况，用should have done表示过去的情况A.it is necessary that you should clean the lab before you left。B.it is important that you should take the doctor s advice。C.it was very strange that he should have left without say goodbye。V.对象条款中家庭法的使用：1.在wish的宾语从句中，通常用家庭语气表示不可行或未实现的欲望。wish的宾语从句用过去时态表示现在或未来没有实现或不可能实现的愿望A.I wish I knew the result of the match now .B.I wish it were spring here all the year round . c . I wish I could help you。.wish的宾语从句以过去式结束，表示过去没有实现或不可能实现的愿望A.wewish we had got the film tickes last night。B. I wish you I had met him yesterday。wish的宾语从句使用would时，通常表示申购单，希望对当前情况不满或未来的变化A.I wish the prices would comdown . b . I wish you would help me。C.I wish he would be more careful . d . web wish you would spend the holiday with us。2.动词suggest(推荐)、advise(推荐)、demand(要求)、require(要求)、order(命令)、insist(遵守)后的宾语从句中的谓语动词A.I suggested that we should go there at once。b . I demand that he should answer me at once。C.the doctor insisted that the patient should stay in bed for two weeks .D.the officer ordered that the soldirs should stop playing。n suggestion建议/advice建议/demand要求/request要求/order命令相关子句(包括同级子句和表语子句)中的谓词也使用(should)动词原型A.the black people made a strong demand that the government(should)take steps to change the unfair situation .B.their demand is that the government should take steps to change the unfair situation .C.I was bill s suggestion that everybody should have a map。D.his suggestion was that everybody should have a map。6.假设音是句子： It is time that .在中，使用： that子句的谓语动词作为过去时态A.It is time we got up。7.家庭音在if only指导感叹句中为：表示“希望.”他说：“希望你不要介意。”其中谓词格式与wish的宾语从句相同A.If only I were not ill now！(=I wish I were not ill now .）B.if only he had taken the doctor s advice。(=I wish he had taken the doctor s advice。）C.If only the rain would stop！(=I wish the rain would stop。）8.家庭法在wou