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新概念英語青少版2a語法大全-在線瀏覽

2025-05-24 23:55本頁面
  

【正文】 re some oranges on the desk.   There is a lot of water in the bottle.   可數(shù)名詞前可用具體的數(shù)詞來表示具體的數(shù)量。不可數(shù)名詞前通常用單位詞+of來表示數(shù)量。  可數(shù)名詞作主語時,謂語動詞的單復數(shù)與主語的單復數(shù)保持一致。如:There are two cups of tea on the table.  對可數(shù)名詞前的修飾語提問用how many。如:How many apples are there in the box?  How many pieces of bread are there on the plate?How much tea is there in the cup?六、基數(shù)詞和序數(shù)詞基數(shù)詞 :表示數(shù)目的詞稱為基數(shù)詞。 3).從 21—99:除twenty,thirty, forty,fifty,eighty為特殊形式外,sixty,seventy,ninety都是其個位數(shù)形式后添加后綴ty構成。 序數(shù)詞:是指表示順序的數(shù)詞。例如: six— sixth, nineteen—nineteenth. 2)從第2099: 整數(shù)第幾十的形式由基數(shù)詞改變結尾字母y為i,再加“eth”構成。 thirtyfirst 第三十一, fiftysixth 第五十六 , seventythird 第七十三, ninetyninth 第九十九 3)第一百以上的多位序數(shù)詞 由基數(shù)詞的形式變結尾部分為序數(shù)詞形式來表示。 first—lst, second—2nd, third—3rd, fourth—4th, twentieth—20th, twentythird——23rd , 其中l(wèi)st,2nd,3rd為特殊形式,其它的都是阿拉伯數(shù)字后加上th。 We39。 】 七、表達天氣和季節(jié):天氣的表達:英語中通常用it來代替天氣,所以表達天氣最常用的句型就是:It is + 表示天氣的形容詞 + in + 月份或季節(jié)等。如:What’s the weather like in July here? I’s often wet and hot.四季的表述:春: 夏: 秋 冬: ;四季之前用介詞in,而且不能使用冠詞! 如:It’s often cold and dry in winter.測試:想想表示天氣的形容詞: 八、時間、日期、年齡和星期的表達方式:時間的表達方式:A/整點時間的表達方式用“小時數(shù)+o’clock”, 如:six o’clock.B/半點的表達方式用“half past +小時數(shù)”,half past six.C/整點過一刻或半點之內的表達方式有用:“a quarter(數(shù)字) past + 小時數(shù)”,如:twentysix past six.D/整點差一刻或半點之內的表達方式有用:“a quarter(數(shù)字) to + 小時數(shù)”,如:twentysix to six.◆與具體鐘點連用用介詞at. 如:at twentysix past six.日期的兩種表達方式:A/“the + 序數(shù)詞 + of + 月份”,如:the first of August.B/“月份 + the + 序數(shù)詞”,如:September the fourth.【注意】◆與月份連用的介詞一般是in。如:What’s the date today? →It is the ninth of January.掌握月份:一、二、三…十二月:注意第一個字母何時何地要大寫哦! 年齡的表達方式:用“數(shù)字 + years old”或直接數(shù)字表達。提問用What day is it?如:What day is it today, Karen? It’s Monday.掌握星期一(二、三…日):注意第一個字母何時何地要大寫哦! 九、頻度副詞頻度副詞是指表示動作發(fā)生的次數(shù)的副詞。頻度副詞在句子中的位置◆位于be動詞、助動詞等之后,行為動詞之前。如:She is sometimes very busy.   2. 在第一個助動詞或情態(tài)動詞之后。如: It never snows in winter here.◆sometimes也可放在句首、句中或句末,often也可放在句末(一般不放在句首)。頻度副詞的用法◆always 頻率最高,表示“一直、總是”,其反義詞為never。 Li Ping is always late for school.(變?yōu)榉穸ň洌鶯i Ping is never late for school.(全部否定) 【注意】always等與not連用時,表示部分否定。 【頻度副詞通常和一般現(xiàn)在時連用,表示動作發(fā)生的頻率。如:He is always thinking of others.(贊嘆) She is always asking silly questions. 她總是問些愚蠢的問題。如: We usually go to school at seven in the morning.My mother and I usually go shopping on Sundays. ◆Often意為“經(jīng)常,時常”,表示反復性的動作或狀態(tài),中間有間斷,不如usually那么頻繁。 如:It often rains here in April. The boys often eat noodles and the girls sometimes eat them. He writes to his friends quite often. (often在句尾時常被very或quite連用)。 ◆sometimes意為“有時”,頻率不及often,表示動作偶爾發(fā)生,間斷時間較長。如: Sometimes we go to the cinema and at other times we go for a walk. /I sometimes watch TV in the evening. /My father has lunch in the factory sometimes.◆seldom意為“很少”;never意為“從不”。如: He seldom eats breakfast. 他很少吃早餐。   The boys never eat chocolate and the girls seldom eat it. 男生從不吃巧克力,女生很少吃。 ◆hardly具有否定意義,表示“幾乎不、簡直不”,除非特殊情況,否則不會發(fā)生。如: I write to my brother sometimes. →How often do you write to your brother?十、特殊疑問詞:特殊疑問詞是特殊疑問句中必有(開頭第一個)的單詞,回答不同一般疑問句,答法通常有時間、地點、人名、多少、原因等。常見的特殊疑問詞:where:哪里(狀語) 例: Where is my blue shirt?  what :什么 例: What are your favourite animals? What is the weather like in July here? It’s often sunny.◆what colour:問顏色(表語) ◆what time:針對鐘點提問 ◆what date/day:針對幾月幾號/星期提問  ◆what language:什么語言◆what kind of: 什么樣的…(對對方所詢問的人或物品進行詳細描述。例如: He is reading . They are talking now. B、當前一段時間內的活動或現(xiàn)階段正在進行的動作。例如: I am ing. 總之,此類時態(tài)一般由look, listen, now, at this moment等時間狀語做標志。 丟掉be動詞或忘記把動詞變成現(xiàn)在分詞;例:◆ Look,two children flying (fly) a kite in the park. ◆Li Mingisn’t read ( not read) a book in bed now.答案: are flying /isn’t reading【解析】:現(xiàn)在進行時肯定句的結構規(guī)律為: “be+現(xiàn)在分詞,缺一不可”。 對動詞或動詞詞組提問時丟掉doing◆The students are singing in the room.(對劃線部分提問) What are the students in the room?答案:What are the students doing in the room?【解析】:現(xiàn)在進行時態(tài)中,對動作提問可記住此句式“What +be +主語+doing+其它?”句式?!緶y試訓練】一 、單選 Look! He _____their mother do the housework.A. is helping B. are help C. is help D. is helpping2 、_____are the boys doing ? They are singing in the room.A .Who B .How Don’t talk here. My mother _____.A. is sleeping B .are sleeping C. sleeping D .sleep4 、Danny ______. Don’t call him.A. is writeing B .is writing D .writes5 、–When_____he_____back? – Sorry, I don’t know.A. does,e ing e ing二 、填空 It’s ten o’clock. My mother _____(lie)in bed. What____he _____(mend)? We _____(play)games now. What ____you____(do) these days? ____he ___(clean) the classroom? Who____(sing)in the next room?The girl____(like)wearing a sweater. Look! She ____(wear)a red sweater today.十二、一般現(xiàn)在時態(tài):一般現(xiàn)在時表示經(jīng)常的、習慣性的動作或客觀事實、真理。單數(shù)是指一個人,多于一個人就為復數(shù)?!康臅r候,謂語動詞也要用第三人稱單數(shù)形式;而當其他人稱代詞作主語時,謂語動詞則要用原形。如:He speaks English well.David plays basketball very well. My sister does her homework first after school.The weather often changes here.】◆肯定句:I /We/You/They + 動詞原形 + …… He/She/It + 動詞第三人稱單數(shù)形式 + ……◆否定句:I / We / You /They + do not(don’t) + 動詞原形 + …… He/She/It + does not(doesn’t) + 動詞原形 + ……..◆一般疑問句:Do + I /We/You/They + 動詞原形 + …………? Does + he/she/it + 動詞原形 +……?◆特殊疑問句:特殊疑問詞 + do you/we/they + 動詞原形 +……? 特殊疑問詞 + does he/she/it + 動詞原形+……?How much juice
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