【文章內(nèi)容簡(jiǎn)介】 ng since you left. Where have you been since I last saw you? It is four years since my sister lived in Beijing. 我妹妹不在北京住有四年了。It is five months since our boss was in 。五 知識(shí)擴(kuò)展1. It is since從。以來(lái)多長(zhǎng)時(shí)間了(因?yàn)閟ince +從句或名詞，表示一段時(shí)間)It is five years since we met last 。2. It is +before…(。才)It was a long time before I went to sleep again.It was an hour before(=until) the police arrived.3. 由as soon as, immediately, directly, instantly, the moment, the instant, the minute, 等引導(dǎo)的時(shí)間狀語(yǔ)從句。這些連詞都表示“一……就”。例如：I will go there directly I have finished my breakfast. 吃完早飯，我立即到那里去。The moment I heard the news, I hastened to the ，馬上趕到了出事地點(diǎn)。As soon as I reach Canada, I will ring you up. 我一到加拿大，就給你來(lái)電話?！咀⒁狻縣ardly(scarcely, rarely)…when / before, no sooner…than相當(dāng)于as soon as之意。主句用過(guò)去完成時(shí)，從句用一般過(guò)去時(shí)。當(dāng)hardly, scarcely, rarely和no sooner位于句首時(shí)，主句應(yīng)用倒裝語(yǔ)序。例如：He had no sooner arrived home than he was asked to start on another journey. 他剛到家，就被邀請(qǐng)開(kāi)始另一旅程。No sooner had the sun shown itself above the horizon than he got out of bed to mence ，他就起床勞動(dòng)去了。Hardly had I sat down when he stepped ，他就進(jìn)來(lái)了。He had hardly fallen asleep when he felt a soft touch on his 。六 .由by the time引導(dǎo)的時(shí)間狀語(yǔ)從句。注意時(shí)態(tài)的變化：在一般情況下，如果從句的謂語(yǔ)動(dòng)詞用一般過(guò)去時(shí)，主句的謂語(yǔ)動(dòng)詞用過(guò)去完成時(shí)；如果從句的謂語(yǔ)動(dòng)詞用一般現(xiàn)在時(shí)，主句的謂語(yǔ)動(dòng)詞用將來(lái)完成時(shí)。例如：By the time you came back, I had finished this ，我已經(jīng)寫(xiě)完這本書(shū)了。By the time you e here tomorrow, I will have finished this work. 你明天來(lái)這兒的時(shí)候，我將已經(jīng)完成此工作了。七 由each time, every time和whenever引導(dǎo)的時(shí)間狀語(yǔ)從句。例如：Each time he came to Harbin, he would call on me. 他每次來(lái)哈爾濱，總是來(lái)看我。Whenever that man says“To tell the truth”, I suspect that he39。s about to tell a “說(shuō)實(shí)在話”的時(shí)候，我猜想他就要說(shuō)謊了。You grow younger every time I see you. 每次遇到你，見(jiàn)你更年輕了。八 .由as long as和so long as引導(dǎo)的時(shí)間狀語(yǔ)從句。這兩個(gè)連詞表示“有多久……就多久”。例如：You can go where you like as long as you get back before dark. 你可以隨意到哪里去，只要在天黑以前回來(lái)就行。I will fight against these conditions as long as there is a breath in my body! 只要我一息尚存，我就要反對(duì)這種境況。地點(diǎn)狀語(yǔ)從句一 地點(diǎn)狀語(yǔ)從句 (adverbial clause of place)地點(diǎn)狀語(yǔ)從句一般由連接副詞where, wherever等引導(dǎo)，已經(jīng)形成了固定的句型，要點(diǎn): 由連詞where和復(fù)合關(guān)系詞wherever (=no matter where )引導(dǎo).例如：句型1：Where+地點(diǎn)從句，（there）+主句?！咀⒁狻看司湫屯ǔＷg成“哪里……哪里就……”；主句在從句后面時(shí)，there可用可不用；如果主句在從句的前面時(shí)，一般都不用there。例如：Where there is no rain, farming is difficult or ，耕作是困難的，或根本不可能的。They were good persons. Where they went, there they were warmly weled. 他們都是好人。因此他們走到哪里都受到熱烈歡迎。You should have put the book where you found it. 你本來(lái)應(yīng)該把書(shū)放回原來(lái)的地方。Where the Communist Party of China goes, there the people are ，哪里人民得解放。句型2：Anywhere/ wherever+地點(diǎn)從句，+主句。【注意】anywhere本身是個(gè)副詞，但是，?？梢砸龑?dǎo)從句，相當(dāng)于連詞，意思相似于wherever, anywhere引導(dǎo)的從句可位于主句之前，也可以位于主句之后。 而wherever本身就是個(gè)連詞，表示“在何處，無(wú)論何處”。例如：Wherever the sea is , you will find 。二 知識(shí)擴(kuò)展 there is a will , there is a way.有志者事竟成。(諺語(yǔ))1. It will be mixed school where not all the children are disabled.他將是一所混合式學(xué)校，那里的兒童并不都是殘疾。(在限定性定語(yǔ)從句中對(duì)先行詞起著限定作用。) you go , I go too.