英语语法1234.pptVIP

5. 表示要求, 命令, 建议等的虚拟语气。使用should + 动词原形, 或者将should省略。 常见动词: 一个坚持, 两个命令, 三个建议, 四个要求。即 1) insist 2) order, command 3) advise, suggest, propose 4) demand, require, request, ask 5) recommend, urge, desire, prefer…… 6. It’s necessary/strange/natural/ important /a pity/no wonder/impossible + that 从句, 从句中的动词要用虚拟, 即(should)+ 动词原形 ★我们掌握一门外语是非常重要的。 It is important that we (should) master a foreign language. 7. 含蓄虚拟句。Without, but for, or, otherwise 8. In case, for fear that, in order that, so that引导的从句，谓语动词should +do，should 可以省略 Remind me of it in case I (should) forget. * 状语从句(主将从现) 只需要记住引导词的意思，按部就班翻译。 时间状语：常用引导词：when(ever), as, while, before, after, since , until，till, as soon as(一……就), every/ each time, the first time, next time 特殊引导词：the minute, the moment, the second, the instant（一…就…） immediately , directly, no sooner … than, hardly …when, scarcely … when(一…就…) It is/ has been +时间段+ since sb. did sth. It is ( has been ) 5 years since his father died. It has been three years since I smoked.(怎么翻译？) It was + 时间段+ since sb. had done sth. It was three years since he had left home. It will be+ 时间段+before +一般现在时?(要过一段时间才会…) It will be half a year before you graduate from the school.? It was (not ) + 时间段+before +一般过去时??(过了一段时间就……) It was not long before he sensed the danger of the position. 不久他就意识到他处境危险 原因状语： 常用引导词：because, since, as, 特殊引导词：now that( 既然) in that（因为）, Considering that, seeing that （考虑到） 条件状语： 常用引导词：if, unless, 特殊引导词：in case(以防，万一), so/as long as (只要) on condition that(只要) once 一旦 given that, suppose/supposing(that) , assuming that, provided/providing (that) ( 假如)…. 目的状语 常用引导词：so that, in order that 特殊引导词：lest（以免）, in case(以防), for fear that（以防）that sb should do… in the hope that（对…怀有希望）, for the purpose that（出于…目的） 结果状语 常用引导词：that, so … that , such … that, 比较状语 常用引导词：as/so…as (同级比较), than(不同程度的比较) 特殊引导词：the more … the more … ; A is to B what C is to D(A对B正如C对D); 方式状语 常用引导词：as, as if/though(似乎，仿佛