【正文】
teacher)動(dòng)詞第三人稱單數(shù)變化規(guī)則:一、人稱代詞he, she, it是第三人稱單數(shù)。She has lunch at 。二、單個(gè)人名、地名或稱呼作主語;是第三人稱單數(shù)。②Beijing is in 。三、單數(shù)可數(shù)名詞或“this / that / the+單數(shù)可數(shù)名詞”作主語時(shí),是第三人稱單數(shù)。②This book is 。④The cat is Lucy39。如:①Everyone is 。③This is a 。五、不可數(shù)名詞作主語時(shí)為第三人稱單數(shù)。②The bread is very 。如:①“6” is a lucky number.“6”是個(gè)吉利數(shù)字。動(dòng)詞第三人稱單數(shù)+s或+es的規(guī)則: A、一般直接加“s”,如:play – plays, visit – visits, speak – speaks ; B、以“s”,“x”,“sh”,“ch”結(jié)尾時(shí),加“es”,如:catch – catches, watch – watches ; C、以“輔音字母+y”結(jié)尾時(shí),變“y”為“i”再加“es”,如:carry – carries, study – studies。變?yōu)榉穸ň? 要在動(dòng)詞前面加“do not ,does not”, 可以簡寫為 “don39。t第二篇:可數(shù)名詞的復(fù)數(shù)形式可數(shù)名詞的復(fù)數(shù)形式復(fù)數(shù)名詞主語時(shí)系動(dòng)詞用are,。大多數(shù)名詞是可數(shù)名詞,有單復(fù)數(shù)之分,而不可數(shù)名詞沒有復(fù)數(shù)形式,可數(shù)名詞變復(fù)數(shù)時(shí)有規(guī)則和不規(guī)則變化兩種: 1 名詞復(fù)數(shù)的規(guī)則變化 構(gòu)成方法(1)一般情況加 map()bag()(2)以s, sh, ch, x等結(jié)尾加buswatch(3)以輔音字母+y結(jié)尾baby元音字母+y 結(jié)尾的名詞變復(fù)數(shù)時(shí),直接加 monkeyboy 4)以o 結(jié)尾的名詞,變復(fù)數(shù)時(shí):A :.加s,如: photopianoradiozoo; B 加es,:potatotomato巧學(xué)妙計(jì):加es的口訣:黑人(Negro)英雄(hero)愛吃西紅柿(tomato)和土豆(potato)加s可串成口訣:我聽廣播(radio),也看到了電視錄像video,說動(dòng)物園(zoo)里的袋鼠(kangaroo)彈著鋼琴(piano)招攬游客來照相(photo)5)以f或fe 結(jié)尾的名詞變復(fù)數(shù)時(shí): ,roofroofs ,fe 加ves,如:halfhalves knifeknives leafleaves wolfwolves wifewiveslifelives thiefthieves; ,scarf 符合B情況的名詞可串成這樣一句口訣:樹葉()半數(shù)()自己()黃,妻子()拿刀()去殺狼(),架()后小偷()逃命()忙 1)改a為e man _______ woman_______ policeman_______ 注意:由一個(gè)詞加 man 或 woman構(gòu)成的合成詞,其復(fù)數(shù)形式也是men 和women,如an Englishman,two Englishmen。1)用復(fù)數(shù)作定語。例如: A man worker10 _________ _______三個(gè)女老師______ _______ _______ 3)數(shù)詞+名詞(即復(fù)合形容詞)作定語時(shí),這個(gè)名詞一般保留單數(shù)形式。: girls______ girles _____: trousers ______trouser_____ :boxs ______boxes_____: stories______ storys______ :pianos _____ pianoes _____:potatoes_____potatos_____四、選擇填空。pencilboxes。pencilboxes。t it?() are three ____ and five _____ in the , JapaneseB Americans, Japanese, Japanese() you see nine ____ in the picture?() _____ has 。watches。t you e yesterday?愛麗斯,你昨天為什么沒來? I was going to,but I had an unexpected ,但是家里突然來了一個(gè)客人.第五篇:動(dòng)詞的第三人稱單數(shù)形式一 小學(xué)英語動(dòng)詞的單三形式講解大家都知道,在一般現(xiàn)在時(shí)中,當(dāng)主語是第三人稱單數(shù)時(shí),謂語動(dòng)詞要用第三人稱單數(shù)形式,即常在動(dòng)詞原形后加s或es。如: He likes watching 。It looks like a 。如: ① Han Mei looks like her 。③ Uncle Wang often makes 。如:① A horse is a useful 。③ That car is 。四、不定代詞someone, somebody, nobody, everything, something等及指示代詞this, that作主語時(shí),是第三人稱單數(shù)。② There is something wrong with the 。④ That is an 。如: ① The milk is in the 。六、當(dāng)數(shù)字或字母作主語時(shí),看作第三人稱單數(shù)。②“I” is a letter.“I”是個(gè)字母。第三人稱單數(shù)用 is;過去式為 was;復(fù)數(shù)用are,還應(yīng)注意下面三點(diǎn): have,遇到主語是第三人稱單數(shù)時(shí),要用 has; 動(dòng)詞 be 的第三人稱單數(shù)形式是is。t + 動(dòng)詞原形,如:He goes to school at six in the morning.(變否定句)→ He doesn39。第2 / 6頁動(dòng)詞單三的練習(xí)三 寫出下列動(dòng)詞的第三人稱單數(shù)。 like playing the pinao in the music room.(Tom) need a pencilbox for new term.(Sam’s sister) do my homework at half past four in the afternoon.(she) have breakfast at twentyfive past seven in the morning.(her father) watch TV at quarter past six with my parents.(Tom’s sister)二 小學(xué)英語所有句型轉(zhuǎn)換的方法基本助動(dòng)詞只有三個(gè):be, do, have, 他們沒有詞匯意義,只有語法作用,第3 / 6頁如協(xié)助構(gòu)成進(jìn)行體,完成體,被動(dòng)態(tài),否定句,疑問句等。如:is not,are not,am not,was not,were not;在can,should,will等后加not。some 改成any。把can,shall,will等放到句首,剩下的照抄,(some 改成any,my改成your等)句點(diǎn)改成問號(hào)。例如:陳述句: I like the likes the :Do you like the ducks? Does he like the dogs? 把下列句子改為一般疑問句。元音+y 的,不改y,例如 play 、動(dòng)詞have 的第三人稱單數(shù)形式是has,這是一個(gè)不規(guī)則的變化,我們經(jīng)常會(huì)遇到。這時(shí)句子的謂語動(dòng)詞