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第七講一般現(xiàn)在時(shí)/一般過(guò)去時(shí) 【學(xué)習(xí)目標(biāo)】對(duì)初一,初二所學(xué)過(guò)的幾種時(shí)態(tài)進(jìn)行系統(tǒng)復(fù)習(xí),并通過(guò)反復(fù)地講解和練習(xí),對(duì)每種時(shí)態(tài)可以做到靈活運(yùn)用。本講重點(diǎn)講解一般現(xiàn)在時(shí)和一般過(guò)去時(shí)?!局R(shí)要點(diǎn)】一般現(xiàn)在時(shí):。 I like making snowmen in winter. Do you often wash your hair?。 The sun rises in the east and sets in the west.A timely snow promises a good harvest.。例如:if it doesn’t rain tomorrow ,our school will hold a sports meeting.二一般現(xiàn)在時(shí)的標(biāo)志詞: always. usually. often. sometimes. every day. every week… He always goes to bed at ten at night.She often gets up late on Sundays.三謂語(yǔ)構(gòu)成:,謂語(yǔ)動(dòng)詞要加s或es例如:she takes a subway to go to work on weekdays.動(dòng)詞的單三形式變化規(guī)則:2. 當(dāng)主語(yǔ)是其他人稱(chēng)時(shí),謂語(yǔ)動(dòng)詞要用原形。You always help me and I feel grateful to you .一般過(guò)去時(shí)的構(gòu)成及用法一、定義: 表示在過(guò)去的某個(gè)時(shí)間里所發(fā)生的動(dòng)作或存在的狀態(tài)。時(shí)間狀語(yǔ)有:yesterday, last week, an hour ago, in 1982等。1)I was at the zoo yesterday. 昨天我在動(dòng)物園。2)I went to bed at eleven last night . 昨晚我11:00睡覺(jué)。2.表示在過(guò)去一段時(shí)間內(nèi),經(jīng)常性或習(xí)慣性的動(dòng)作。1)When I was a child, I often played football in the street. 我在小的時(shí)候,我經(jīng)常在街道上踢足球。2)My father often drove to work last year. 去年,我爸爸經(jīng)常開(kāi)車(chē)上班。二、句子結(jié)構(gòu)1.在表示某個(gè)時(shí)間里存在的狀態(tài)的句子,系動(dòng)詞用過(guò)式was,were構(gòu)成。如:(1)I was at home yesterday. 昨天我在家。 2.在表示過(guò)去某個(gè)時(shí)間里發(fā)生的動(dòng)作,用動(dòng)詞的過(guò)去式構(gòu)成。如:I visited my uncle yesterday. 昨天我拜訪了我的叔叔。 規(guī)則變化:(1) 在詞尾加ed 或d英語(yǔ)中大部分動(dòng)詞過(guò)去式都是規(guī)則變化的,即在動(dòng)詞后加上ed;如果結(jié)尾字母是不發(fā)音的e,則只要加上一個(gè)d就行了。例如:workworked cleancleanedplayplayeddecidedecided livelived loveloved(2) 以輔音字母+y結(jié)尾的,變y為i加edstudystudied hurryhurried carrycarried(3) 以重讀閉音節(jié)結(jié)尾的,雙寫(xiě)最后的輔音字母再加edstopstopped dropdropped wagwagged不規(guī)則變化是指過(guò)去式不能加ed,用另外一個(gè)詞來(lái)表示。這樣的不規(guī)則過(guò)去式也有很多,只有靠一個(gè)一個(gè)去記憶了。例如:is/amwas16