新概念第一冊知識點總結講解-展示頁
2025-06-29 06:17本頁面
【正文】 e radio at 7 this morning.He was cleaning the car when I arrived.What was he doing at this time yesterday?五、現(xiàn)在完成時：概念：過去發(fā)生或已經(jīng)完成的動作對現(xiàn)在造成的影響或結果，或從過去已經(jīng)開始，持續(xù)到現(xiàn)在的動作或狀態(tài)。時間狀語：at this time yesterday, at that time或以when引導的謂語動詞是一般過去時的時間狀語等。時間狀語：now, at this time, these days, …基本結構：am/is/are+doing否定形式：am/is/are+not+doing.一般疑問句：把be動詞放于句首。如：stop—stopped, trip—tripped4. 以輔音字母加y結尾的動詞，先把y變成i，再加ed。如: want—wanted, work—worked, need—needed, clean—cleaned2. 以不發(fā)音的e結尾的在詞尾加d。一般疑問句：①was或were放于句首；②用助動詞do的過去式did 提問，同時還原行為動詞。②在行為動詞前加didn39。二、一般過去時：概念：過去某個時間里發(fā)生的動作或狀態(tài)；過去習慣性、經(jīng)常性的動作、行為。interestinghas例如：的第三人稱單數(shù)是 特殊情況：動詞tries例如：再加y變?yōu)? 3)teaches例如：es。o以s，xreadsgets例如：一般情況下，動詞后面直接加一般現(xiàn)在時句中，如果主語是第三人稱時，動詞要變第三人稱單數(shù)，變化規(guī)則如下：一般疑問句：①把be動詞放于句首；②用助動詞do提問，如主語為第三人稱單數(shù)，則用does，同時，還原行為動詞。t,如主語為第三人稱單數(shù)，則用doesn39。時間狀語：always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays…基本結構：①be動詞；②行為動詞否定形式：①am/is/are+not?？蓴?shù)名詞單數(shù)變復數(shù)規(guī)則：1)單數(shù)名詞加s: students, apples, bags, trees, books, brothers.2)以s、x、sh、ch結尾的名詞加es: glasses, boxes, brushes, matches.3)以輔音字母加y結尾的名詞，變y為i加es: cities, babies, enemies.4)以f或fe結尾的名詞，多數(shù)變f為v加es: wives, : roofs, proof s, chiefs.5)以o結尾的名詞，有些加es: Negroes, heroes, tomatoes, : radios, zoos, pianos, photos.6)不規(guī)則名詞：foot→feet, goose→geese, tooth→teeth, child→children, man→men, woman→women, sheep→sheep, deer→deer, mouse→mice. 代詞第 一 人 稱第 二 人稱第 三 人 稱單數(shù)復數(shù)單數(shù)復數(shù) 單 數(shù)復數(shù)人稱代詞主 格 I we you you heshe it they賓 格 me us you youhimher itthem物主代詞形容詞性 my ouryouryourhisheritstheir名詞性mineoursyoursyourshishersitstheirsI. 人稱代詞:。 新概念第一冊 知識點總結（全）名詞名詞包括可數(shù)名詞和不可數(shù)名詞，可數(shù)名詞有單復數(shù)變化。不可數(shù)名詞沒有。賓格通常做動詞或介詞的賓語. Eg: a. I’m a nurse.b. Could you help me ? II. 物主代詞又分為形容詞性的物主代詞和名詞性的物主代詞.形容詞性的物主代詞:相當于形容詞,后面要跟名詞,指定名詞的所屬對象. 名詞性的物主代詞:相當于一個名詞,必須單獨使用，后面不能再跟名詞.Eg: a. Your school is small, mine is big.(=my school)b. This is not your pen. Yours is on the desk.(=your pen)時態(tài)一、一般現(xiàn)在時：概念：經(jīng)常、反復發(fā)生的動作或行為及現(xiàn)在的某種狀況。②此時態(tài)的謂語動詞若為行為動詞，則在其前加don39。t，同時還原行為動詞。My father is a doctor.Tom isn’t at home.Are they policemen?I often get up at 7 o’clock every morning.He doesn’t like apples.Do you always read before going to bed?What do you usually do on Sundays? 1)s. workssays 2)ch，sh或結尾的動詞，在后面加 goeswashes以輔音字母y結尾的動詞，把ies. studiescarrieshavehas。 Heanbook.時間狀語：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, the other day, long long ago, once upon a time, ….基本結構：①be動詞；②行為動詞否定形式：①was/were+not。t，同時還原行為動詞。I was at my mother’s last week.Once upon a time, there was a beautiful girl whose name was Snow White.Lucy went to America five months ago.I didn’t go to the cinema last night.Did Lily dance at the party?W
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