高三英語一輪專項(xiàng)復(fù)習(xí) 第二部分 語法考點(diǎn)突破 第十講 狀語從句課件 新人教版

第二部分第二部分 語法考點(diǎn)突破語法考點(diǎn)突破第十講狀語從句第十講狀語從句一、狀語從句的分類一、狀語從句的分類項(xiàng)目項(xiàng)目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)時(shí)間時(shí)間狀語狀語從句從句when，while，as，before，after，since，until，the moment等。等。When I was walking along the street, I met a friend of mine.I didnt go to bed until 10 oclock last night.I will tell him the news the moment he comes.要注意時(shí)態(tài)要注意時(shí)態(tài)一致一致，一般一般情況下情況下，在在時(shí)間狀語從時(shí)間狀語從句中句中，表示表示將來的動(dòng)作將來的動(dòng)作用一般現(xiàn)在用一般現(xiàn)在時(shí)時(shí)(不可用不可用將來時(shí)將來時(shí))。項(xiàng)目項(xiàng)目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)地點(diǎn)狀語地點(diǎn)狀語從句從句where，whereverWhere there is a will，there is a way.We are always welcome wherever we go.注意不要和注意不要和where引導(dǎo)的引導(dǎo)的定語從句混定語從句混淆淆，若是定若是定語從句語從句，where前必然前必然有先行詞。有先行詞。項(xiàng)目項(xiàng)目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)條件狀語條件狀語從句從句if，unless，as (so) long as，on condition that，in ca- -se等。等。You should go to school unless you are seriously ill.He will certainly pass the exam next te- -rm if he works hard at his lessons.條件狀語從條件狀語從句和時(shí)間狀句和時(shí)間狀語從句一樣語從句一樣, ,當(dāng)主句是將當(dāng)主句是將來時(shí)的時(shí)候來時(shí)的時(shí)候, ,從句要用一從句要用一般現(xiàn)在時(shí)。般現(xiàn)在時(shí)。項(xiàng)目項(xiàng)目連接詞、連接詞、關(guān)系關(guān)系詞或詞或引導(dǎo)詞引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)原因原因狀語狀語從句從句because, ,as, ,si- -nce, ,for, ,now thatHe didnt go to school be- -cause he was ill.It must have rained last ni- -ght, ,for the gr- -ound is wet.As he is a League memb- -er, ,he takes the lead in verything in his class.1.because語氣最強(qiáng)語氣最強(qiáng)，用來說明人所不知的用來說明人所不知的原因原因，回答回答why提出提出的問題；的問題；since次之次之，as最弱。最弱。2as引導(dǎo)的從句往往引導(dǎo)的從句往往放在主句前面放在主句前面，用來用來說明比較明顯的原說明比較明顯的原因因;for用作連詞時(shí)用作連詞時(shí)，往往往表示一種附帶的解往表示一種附帶的解釋、說明或推理。釋、說明或推理。項(xiàng)項(xiàng)目目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)讓步讓步狀語狀語從句從句though，alth- -ough，even if/though，as, whatever，however，whoever，no matter whatAlthough he is a child，he knows a lot.I will go and attend the mee- -ting however busy I am.Tired as/though I was，I went on with my work.1.當(dāng)有當(dāng)有though, ,although時(shí)時(shí), ,后面后面的從句不能的從句不能有有but。2as/though引導(dǎo)的讓步引導(dǎo)的讓步從句必須把從句必須把表語或狀語表語或狀語提前。提前。項(xiàng)目項(xiàng)目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)結(jié)果結(jié)果狀語狀語從句從句so.that.，such.that., so that(結(jié)果以致結(jié)果以致)He runs so fast that no one can catch up with him.It was such an interesting novel that I read it three times.I got up late so that I mis- -sed the early bus.在在so.that.和和such.that.所所引導(dǎo)的結(jié)果狀引導(dǎo)的結(jié)果狀語從句中語從句中，so為副詞為副詞，后面后面跟形容詞、副跟形容詞、副詞或分詞詞或分詞，而而such為形容詞為形容詞, ,后面只能跟名后面只能跟名詞或名詞性短詞或名詞性短詞。詞。項(xiàng)目項(xiàng)目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)方式方式狀語狀語從句從句as，just as，as if，as thoughWe should work and stu- -dy as he did.They talked as if they had been friends for years.as if，as though在方式在方式狀語從句中多狀語從句中多指非真實(shí)的或指非真實(shí)的或可能性較小的可能性較小的情況情況，常用虛常用虛擬語氣。擬語氣。項(xiàng)目項(xiàng)目連接詞、關(guān)連接詞、關(guān)系詞或引導(dǎo)詞系詞或引導(dǎo)詞例句例句注意事項(xiàng)注意事項(xiàng)比較比較狀語狀語從句從句as.as.，not so.as，more.thanHe works as hard as everyone else in the class.He is taller than any other student in our school.可以用比較句可以用比較句型表示在一定型表示在一定范圍內(nèi)的最高范圍內(nèi)的最高級(jí)含義：比較級(jí)含義：比較級(jí)級(jí)thanany other單單數(shù)可數(shù)名詞。數(shù)可數(shù)名詞。二、兩組重要連詞的用法區(qū)別二、兩組重要連詞的用法區(qū)別從句從句連詞連詞區(qū)別區(qū)別示例示例時(shí)間時(shí)間狀語狀語從句從句when表示某個(gè)具體的表示某個(gè)具體的時(shí)間時(shí)間，可以指一可以指一段時(shí)間段時(shí)間，也可以也可以指一點(diǎn)時(shí)間指一點(diǎn)時(shí)間，既既可表示一時(shí)性的可表示一時(shí)性的動(dòng)作動(dòng)作，又可表示又可表示持續(xù)的動(dòng)作。有持續(xù)的動(dòng)作。有時(shí)強(qiáng)調(diào)突然發(fā)生時(shí)強(qiáng)調(diào)突然發(fā)生, ,出乎預(yù)料。出乎預(yù)料。When you arrive in London，please give us a call.When he was having his breakfast，he heard the doorbell ring.I was just coming along to see you wh- -en I ran into Wilson.從句從句連詞連詞區(qū)別區(qū)別示例示例時(shí)間時(shí)間狀語狀語從句從句as表示的動(dòng)作與主句動(dòng)表示的動(dòng)作與主句動(dòng)作同時(shí)發(fā)生作同時(shí)發(fā)生，具有延具有延續(xù)的含義續(xù)的含義，一般與延一般與延續(xù)性動(dòng)詞連用。續(xù)性動(dòng)詞連用。As time went on，he grew more and more impatient.As we walked，we talked.while只表示持續(xù)性的動(dòng)作只表示持續(xù)性的動(dòng)作或狀態(tài)或狀態(tài)，不能表示一不能表示一時(shí)性或短暫的動(dòng)作。時(shí)性或短暫的動(dòng)作。While she was read- -ing a novel，her mo- -ther was cooking the dinner.從句從句連詞連詞區(qū)別區(qū)別示例示例原因原因狀語狀語從句從句because表示原因的語氣最強(qiáng)表示原因的語氣最強(qiáng), ,常用于回答以疑問詞常用于回答以疑問詞why引導(dǎo)的疑問句。引導(dǎo)的疑問句。because從句一般位從句一般位于主句后面。于主句后面。The engine stop- -ped running because the fuel was finished.He is absent today because he is ill.從句從句連詞連詞區(qū)別區(qū)別示例示例原因原因狀語狀語從句從句for表示一種推理或解釋表示一種推理或解釋, ,或用作附加說明或用作附加說明，而而不是指理由或原因不是指理由或原因, ,語氣最弱語氣最弱，一般不在一般不在句首句首，意為意為“因?yàn)橐驗(yàn)?，其理由是其理由是”。The day breaks，for the birds are sing- -ing.There must be no one in the house for the door is closed.從句從句連詞連詞區(qū)別區(qū)別示例示例原因原因狀語狀語從句從句as表示十分明顯的原表示十分明顯的原因因，說明一般的因說明一般的因果關(guān)系果關(guān)系，著重點(diǎn)在著重點(diǎn)在主句。主句。as通常放在通常放在主句前主句前, ,有時(shí)也可改有時(shí)也可改用用so引導(dǎo)的分句。引導(dǎo)的分句。As it is snowing，we shall not go to the park.It is snowing，so we shall not go to the park.從句從句連詞連詞區(qū)別區(qū)別示例示例原因原因狀語狀語從句從句sincesince表示對(duì)方已知表示對(duì)方已知的、無需加以說明的、無需加以說明的、既成事實(shí)的理的、既成事實(shí)的理由由，意為意為“既然既然”,”,其引導(dǎo)的從句常放其引導(dǎo)的從句常放在句首。在句首。Since he cant answer the question, ,you may ask someone else.Since you are free today，you had better help me with my mathematics.