九年級(jí)英語知識(shí)點(diǎn)精選三篇

1、高品質(zhì)文檔九年級(jí)英語知識(shí)點(diǎn)精選三篇學(xué)習(xí)是要經(jīng)過思考的，否則將一事無成。思考后就能得出學(xué)習(xí)成果，說的是非常對(duì)的。下面是課件我為您推薦九年級(jí)英語知識(shí)點(diǎn)精選三篇。9年級(jí)英語知識(shí)點(diǎn)1since 用來說明動(dòng)作起始時(shí)間，for用來說明動(dòng)作延續(xù)時(shí)間長度。例如：i have lived here for more than twenty years.我住在這兒二十多年了。i have lived here since i was born. 我從出生起就住在這兒了。注意：并非有for 作為時(shí)間狀語的句子都用現(xiàn)在完成時(shí)。i worked here for more than twenty years. （我現(xiàn)在

2、已不在這里工作。）i have worked here for many years.（現(xiàn)在我仍在這里工作。）注意：用句型轉(zhuǎn)換的方法，很容易排除非延續(xù)動(dòng)詞在有for/since結(jié)構(gòu)的完成時(shí)中的誤用。（1）（對(duì)）tom has studied russian for three years. = tom began to study russian three years ago， and is still studying it now.（2）（錯(cuò)）harry has got married for six years. = harry began to get married six yea

3、rs ago， and is still getting married now.顯然，第二句不對(duì)，它應(yīng)改為 harry got married six years ago. 或 harry has been married for six years.9年級(jí)英語知識(shí)點(diǎn)2副詞的基本用法副詞在句中主要用作狀語，修飾動(dòng)詞、形容詞、副詞、介詞短語或句子。（1）修飾動(dòng)詞，表示時(shí)間、地點(diǎn)、程度、方式、頻度等。一般位于動(dòng)詞之后，如果動(dòng)詞有賓語，則要位于賓語之后。頻度副詞常位于助動(dòng)詞和連系動(dòng)詞be 之后或?qū)嵙x動(dòng)詞之前。例如：he arrived only yesterday. 他是昨天才到的。there w

4、ere clothes lying here and there on the floor. 地板上到處都是衣服。i have been terribly worried about you all day. 我一整天都非常為你擔(dān)心。she plays the piano very well. 她鋼琴彈得很好。the boy is always asking his parents for money. 那個(gè)男孩老是向他父母要錢。she never goes to the cinema. 她向來不看電影。（2）修飾形容詞、副詞、介詞短語，一般前置，只有enough例外，需要后置。例如：she

5、seems quite happy. 她看上去相當(dāng)愉快。youve done rather badly in the test. 你考得夠糟糕的。the wind was right in our faces. 風(fēng)迎面吹來。this girl is not old enough to go to school. 這個(gè)女孩還沒有到上學(xué)的年齡。he didnt run fast enough to catch the train. 他跑得不夠快，沒有趕上火車。（3）用作表語，多為與介詞同形的副詞和表示方位的副詞。例如：is anybody in? 里面有人嗎?有人在家嗎?father is awa

6、y. 父親離家在外。i am downstairs and my brother is upstairs. 我住樓下，我哥哥住樓上。my friend is still abroad. 我的朋友還在國外。（4）少數(shù)表示地點(diǎn)或時(shí)間的副詞還可用作定語，一般位于名詞之后。例如：i hope youll enjoy your stay here. 希望你在這里過得愉快。i met a friend of mine on my way home. 在我回家的路上，我碰到一位朋友。what did you think of the meeting yesterday? 你覺得昨天的會(huì)開得怎樣?（5）副詞的

7、比較等級(jí)用法與形容詞一樣，請(qǐng)參見初中英語語法專題講座-形容詞有關(guān)內(nèi)容。9年級(jí)英語知識(shí)點(diǎn)3weekend用法1.weekend指”周末，在5天工作制的國家，指星期六和星期日；在6天工作制的國家，指星期日，與weekday（周日）相對(duì)，為可數(shù)名詞。如：we must go and have a weekend there. 我們應(yīng)當(dāng)?shù)侥抢锒戎苣?。we spend alternate weekends at our country cottage.我們每隔一周到我們的鄉(xiāng)間住宅過一次周末。2.表示”在周末，英語可用 at the weekend或at weekends（用介詞 at 為英國英語，用 o

8、n 為美國英語），但習(xí)慣上不說 in the weekend 或 in weekends。如：we usually do our shopping at the weekend. 我們通常利用周末采購物品。they like to go ballooning on the weekend. 他們周末喜歡乘氣球玩。traffic on the roads is heaviest at weekends. 周末的交通最為繁忙。the library is closed on weekends. 周末圖書館關(guān)門。在美國英語中可省略其前的介詞，即把weekends用作副詞。如：he works wee

9、kends. 他周末工作。i go yachting most weekends in the summer.在夏天，我大多數(shù)周末都乘快艇游玩。若不是表示”在周末，則可根據(jù)情況與其他介詞搭配。如：the weather ought to improve after the weekend. 過了周末天氣應(yīng)當(dāng)好起來。tom is always going away for weekends. 湯姆每個(gè)周末總是外出。why dont you and i go away for the weekend? 咱們倆何不到外地去度周末呢?the weather is stormy and will rem

10、ain so over the weekend.今天是暴風(fēng)雨天氣，整個(gè)周末都會(huì)是這樣。could you oblige me with five pounds until the weekend?能借我5英鎊嗎，周末還你?3.當(dāng)weekend與this， that， last， next， every等搭配時(shí)，其前不用介詞at或on。如：we are expecting guests this weekend. 我們本周末要來客人。accidents due to driving at high speed were very common that weekend.在那個(gè)周末因高速駕駛造成的交通事故很多。tomorrows difficult. id rather