1、Unit 2 語(yǔ)法課堂1.一般現(xiàn)在時(shí)的基本用法【重點(diǎn)釋疑】一般現(xiàn)在時(shí)是表示通常性、規(guī)律性、習(xí)慣性、真理性的狀態(tài)或者動(dòng)作,或者動(dòng)作有時(shí)間規(guī)律發(fā)生的事情的一種時(shí)間時(shí)態(tài)。在一般現(xiàn)在時(shí)中,當(dāng)主語(yǔ)是第三人稱單數(shù)時(shí),謂語(yǔ)動(dòng)詞要用第三人稱單數(shù)形式,其句型結(jié)構(gòu)為：主語(yǔ)+動(dòng)詞+其他.一般現(xiàn)在時(shí)的標(biāo)志有often, usually, always, sometimes等頻度副詞,也有 on Saturdays, every morning (afternoon, evening), every day等表示時(shí)間的短語(yǔ)。表示現(xiàn)在經(jīng)常性或習(xí)慣性的動(dòng)作。如： I leave home for school at 7 e

2、very morning.我每天早晨七點(diǎn)離開(kāi)家去上學(xué)。描述客觀真理、科學(xué)事實(shí)、格言以及不受時(shí)間限制的客觀存在。如： The earth moves around the sun. 地球繞著太陽(yáng)轉(zhuǎn)。Summer follows spring. 春去夏來(lái)。Knowledge is power. 知識(shí)就是力量。表示現(xiàn)在的能力、特征、職業(yè)等。如： He sings well. 他唱歌唱得好。 【易錯(cuò)示例】My sister often _ (go) to school at seven in the morning.goes2.頻度副詞的用法【重點(diǎn)釋疑】頻度副詞主要用來(lái)表示一定時(shí)間內(nèi)事情發(fā)生的次數(shù)。常

3、見(jiàn)的頻度副詞按照頻率的高低,可以排列為：alwaysusuallyoftensometimeshardlynever它們的區(qū)別和用法如下： always意為“總是”,與進(jìn)行時(shí)態(tài)連用時(shí),可以表示贊揚(yáng),也可以表示討厭。如： He is always smoking. 他總是抽煙。 usually可以指通常的動(dòng)作,但是側(cè)重已經(jīng)形成的習(xí)慣。如： He usually goes to school by bike. 他通常騎自行車去上學(xué)。 often是指經(jīng)常性的動(dòng)作,意為“常常,經(jīng)?！薄Ｈ纾?He is often late for school. 他經(jīng)常上學(xué)遲到。 sometimes意為“有時(shí),間或”

4、,表示次數(shù)較少（低于often所表達(dá)的次數(shù)）。如：Sometimes I help my parents with the housework.有時(shí)候我?guī)椭改缸黾覄?wù)。hardly意為“幾乎不,幾乎沒(méi)有”。表示次數(shù)極少。如：She hardly ever calls me. 她幾乎從未給我來(lái)過(guò)電話。 never意為“絕不,從不”,表示一次也沒(méi)有。如： He never lives there. 他從不在那兒住?！疽族e(cuò)示例】My mother doesnt like fish, but _ she eats a little.A. neverB. sometimesC. hardlyB一、用所給

5、單詞的適當(dāng)形式填空。 1. Mike often_ (fly) a kite with his friends in the park.flies 2. Daniel and Tommy always_ (go) to school on time.go 3. My cat _ (not)_ (eat) fish every morning.doesnteat 4. Su Yang_ (watch) TV every Sunday evening.watches 5. Su Hai,_ (do) your homework now.do 6. Nancy never_ (finish) her

6、 homework after nine oclock.finishes 7. Ben and Helen always_ (have) breakfast on time.have 8. What about_(go)_(fish) with me?goingfishing/to fish二、按要求改寫句子。 1. Tom put books on the shelf yesterday. (改為否定句)Tom_ _ books on the shelf yesterday.didntput 2. Mingming read books last night. (對(duì)畫線部分提問(wèn)) _ _ M

7、ingming _ last night?Whatdiddo 3. He does his homework late every day. (改為一般疑問(wèn)句) _ he_ his homework late every day?Doesdo 4. Nancy doesnt become sleepy. (改為肯定句)Nancy _ _ .becomessleepy三、完形填空。 Keeping good habits is very important for everyone. Some students often go to school 1 breakfast. Its a bad

8、habit. As we know, by breakfast time you dont eat 2 for about twelve hours. Your body needs food. You need to 3 a good breakfast. It can give you energy for the whole (整個(gè)) morning. You can have rice, bread, an egg and a glass of milk. And you need to get up early to have breakfast. So going to bed 4 and getting up early is also a good habit. Drinking enough 5 is good, especially (尤其) in dry weather.( ) 1. A. fromB. aboutC. withoutC(