高考英语二轮专题复习时间状语从句课件

1、状语从句之时间状语从句the Adverbial Clauses of TimeBrainstorm1. Naturally, our grandparents were pleased to get our phone call.2. We worked hard, from sunrise to sunset.3. To help my disabled aunt, I spend an hour working in her house every day.4. Seen from a distance, the farmhouse looked deserted.5. I know h

2、ow to light a camp firebecause I had done it before.(副词)(介词状短语)(不定式)(过去分词)(原因状语从句) sentence constitue (句子成分)?adverbial:修饰动词、形容词、副词或整个句子，说明动作或状态特征的句子成分，叫做状语。the Adverbial Clause 状语从句 引导词+句子 作状语 时间状语从句状语从句地点状语从句原因状语从句 条件状语从句让步状语从句结果状语从句目的状语从句方式状语从句 比较状语从句状语从句分类时间状语从句常用引导词： when, while, as, before, aft

3、er, since, by the time, till/ until, notuntil, as soon as特殊引导词： the moment, the minute, the second, the instant, immediately, directly, instantly, hardly/ scarcelywhen, no soonerthan every time, each time, next time, the first/ last time key points：1. when/ while/ as 用法区别2. before, since 特殊句型3. 一就连词

4、句型 when “当.时候” 表示从句动作和主句动作同时发生，或先于主句动作。从句中的谓语动词可以是延续性动词，也可以是瞬间动词。可以指时间点也可以指时间段。 while“当.时候，在.期间” 侧重从句动作与主句动作同时发生。从句中的谓语动词必须是延续性动词，只表示时间段。 as “当.时候，一边一边.，随着” 强调从句动作与主句动作同时发生。从句中的谓语动词可以是延续性动词，也可以是瞬间动词。 when, while, as 用法区别 before 特殊句型肯定句：“要过多久才” It will be + 段时间 + before从句 (do/ does) It will be half a

5、 year before he leaves the country.It was + 段时间 + before从句 (did) It was long before they met again.否定句：“用不了多久就会”It will not be + 段时间 + before从句 (do/ does) It wont be long before you regret for what youve done.It was not + 段时间 + before从句 (did) It wasnt be long before they came back. before 特殊句型 since

6、 特殊句型 “自从.多长时间了”It is/ has been+段时间+since从句 (did)It was+段时间+since从句 (had done) It is three years since she was in the army. It was ten years since Tom had graduated from Beijing University. 一就连词句型 the moment, the minute, the second, the instant, immediately, directly, instantly, hardly/ scarcelywhen

7、, no soonerthan 可引导时间状语从句，相当于as soon as之意。找出句中的引导词The students were quiet as soon as the teacher came in.2. She had no sooner got there than she called me up. =No sooner had she got there than she called me up. 3. Directly you feel any pains, you must go to see the doctor.4. The moment he saw her, h

8、e fell in love with her.hardly/ scarcely.when., no sooner.than.(1) 从句用 did，主句用 had done。(2) 如果把 hardly, scarcely, no sooner 置于句首，主句必须部分倒装。 I had hardly got home when it began to rain. Hardly had I got home when it began to rain.主句从句attentionSummary训练与巩固选词填空(when, since, immediately, before)：1. It was some time _ we realized the truth. 2. Peter was so excited _ he received an invitation from his friend to visit Chongqing. 3. The boy burst into laughter _ he saw his mother. 4. It is about ten years _ I met you last.whensinceimmediatelybefore Home