高考英語二輪專題復習時間狀語從句課件

1、狀語從句之時間狀語從句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.(副詞)(介詞狀短語)(不定式)(過去分詞)(原因狀語從句) sentence constitue (句子成分)?adverbial:修飾動詞、形容詞、副詞或整個句子，說明動作或狀態(tài)特征的句子成分，叫做狀語。the Adverbial Clause 狀語從句 引導詞+句子 作狀語 時間狀語從句狀語從句地點狀語從句原因狀語從句 條件狀語從句讓步狀語從句結(jié)果狀語從句目的狀語從句方式狀語從句 比較狀語從句狀語從句分類時間狀語從句常用引導詞： when, while, as, before, aft

3、er, since, by the time, till/ until, notuntil, as soon as特殊引導詞： 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 用法區(qū)別2. before, since 特殊句型3. 一就連詞

4、句型 when “當.時候” 表示從句動作和主句動作同時發(fā)生，或先于主句動作。從句中的謂語動詞可以是延續(xù)性動詞，也可以是瞬間動詞。可以指時間點也可以指時間段。 while“當.時候，在.期間” 側(cè)重從句動作與主句動作同時發(fā)生。從句中的謂語動詞必須是延續(xù)性動詞，只表示時間段。 as “當.時候，一邊一邊.，隨著” 強調(diào)從句動作與主句動作同時發(fā)生。從句中的謂語動詞可以是延續(xù)性動詞，也可以是瞬間動詞。 when, while, as 用法區(qū)別 before 特殊句型肯定句：“要過多久才” It will be + 段時間 + before從句 (do/ does) It will be half a

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

6、 特殊句型 “自從.多長時間了”It is/ has been+段時間+since從句 (did)It was+段時間+since從句 (had done) It is three years since she was in the army. It was ten years since Tom had graduated from Beijing University. 一就連詞句型 the moment, the minute, the second, the instant, immediately, directly, instantly, hardly/ scarcelywhen

7、, no soonerthan 可引導時間狀語從句，相當于as soon as之意。找出句中的引導詞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) 從句用 did，主句用 had done。(2) 如果把 hardly, scarcely, no sooner 置于句首，主句必須部分倒裝。 I had hardly got home when it began to rain. Hardly had I got home when it began to rain.主句從句attentionSummary訓練與鞏固選詞填空(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