2020届 二轮复习短文语法填空分类解题指导之十：状语从句

2020届二轮复习短文语法填空分类解题指导之十：状语从句

明备考方向

语法填空常考点 短文改错常考点 写作常用句式 1.while/when/as/since1.unless与1.表示“一……就……”引导的时间状语从句 until的误的句式 (1)the moment/the 2.before/after引导的时用； 间状语从句 2.when与minute/the 3.if/unless/once 引导until的误instant ...，＋主句 的条件状语从句 用； (2)no sooner ... 4.though/although引导3.although的让步状语从句 than .../hardly ...whe/though与n ... 5.when/where引导的时but的误用； (3)as soon as ...＋主句 间、地点状语从句 4.after与2.not ... until ...“直6.whether ... or ...引导的while/when到……才……” 让步状语从句 的 误用； 5.after3.It will be/was＋一段时间＋before ... 与“过……(时间)才……” since的误4.It is/has been＋一段用； 6.when时间＋since从句 与“自从……以来多长时where的误间了” 用。 5.every time/each time ...“每次……” 6.so ...that .../such ...that ... “如此……以至于……”

攻重点难点

(一)引导时间状语从句的从属连词及重点句式

1．引导时间状语从句的从属连词有：when, whenever, while, as, before, after, since, till/until, as soon as, no sooner ...than, hardly/scarcely ...when, immediately, directly, instantly, the moment, the minute; the instant, the first/last time, every/each time等。

Meanwhile, having a Chinese Idiom Dictionary can also be a good choice, so that you can refer to it when you come across idioms that you can't understand in reading.

同时，拥有一本汉语成语词典也是一个不错的选择，这样当你在阅读中遇到你不理解的成语时，你可以参考它。

2．在掌握时间状语从句时，要注意以下几个重点句式： (1)not ...until ...“直到……才……”

(2)It＋will be/was＋一段时间＋before ... “过……(时间)才……”

(3)It＋is/has been＋一段时间＋since ... “自从……以来多长时间了”

(4)It＋won't be long before ...“不久……就……”

(5)No sooner＋had＋主语＋过去分词 ...than ...(正常语序：主语＋had no sooner＋过去分词＋than ...) “一……就……”

(6)Hardly/Scarcely＋had＋主语＋过去分词 ...when ... (正常语序：主语＋had hardly/scarcely＋过去分词＋when ...)

“一……就……”

How time flies！It won't be long before I say goodbye to my high school life.

时间过得多快！ 不久我将告别我的高中生活。 It was some time before I realized the truth. 过了一段时间我才悟出真相。

He had no sooner finished his speech than the students started cheering.

＝No sooner had he finished his speech than the students started cheering.

他刚完成演讲学生们就开始欢呼起来。 (二)引导条件状语从句的从属连词的用法

引导条件状语从句的从属连词有：if, unless(除非), as long as/so long as(只要), in case(以防，万一), if only(要是……就好了), on

condition

that,

providing/provided

(that),

suppose/supposing (that)等。

If we go on polluting the environment, the earth won't be fit for us to live in.

如果我们继续污染环境，地球将不再适合我们居住。

You'll fail the exam unless you study hard(＝if you don't study hard)．

除非你努力学习，否则你考试会不及格。