牛津譯林8b unit2知識點(diǎn)

1、18B Unit21.I've been there be fore. 我以前去過那里。①before 副詞“以前” 。常與現(xiàn)在完成時(shí)連用，也可與一般過去時(shí)連用。He has never seen such a huge stone before.他以前從未見過這么大的石頭。②before 介詞或連詞“在……之前” ，可表示時(shí)間、位置、順序等。My father usually goes to bed before 9:00 p

2、.m.我父親通常在晚上 9 點(diǎn)之前睡覺。 （介詞）Turn off the light before you leave the room.離開房間前關(guān)上燈。 （連詞）3.Can I join you?我可以和你一起去嗎?①join 及物動詞“加入” ，表示加入某一組織、黨派、社會團(tuán)體或某一人群中，從而成為其成員。join 后常出現(xiàn) club，army，team，group 以及表示人稱代詞賓格的單詞等。My father joined

3、 the army after he finished middle school.我爸爸中學(xué)畢業(yè)后就參軍了。Will you come and join us for supper? 你愿意來和我們共進(jìn)晚餐嗎?②take part in“參加/參與某項(xiàng)工作、活動、游戲或會議等” ，強(qiáng)調(diào)參加者有積極的態(tài)度，并起到一定的作用。take part in 之后接名詞或動名詞。=join in。Would you like to take pa

4、rt in/join in the English party? 你愿意參加英語晚會嗎？Everyone can take part in gardening. 每個人都可以加入到園藝活動中來。③join sb.in...“參加到……中” 。A lot of students are playing football on the playground. Let’s join them in 3I don't think he

5、is right. 我認(rèn)為他不對。這種結(jié)構(gòu)的反意疑問句的主語和謂語動詞必須與賓語從句的主語和謂語動詞保持一致。1 don't think he is a doctor,is he? 我認(rèn)為他不是醫(yī)生，對嗎?6.It comes from the story by Hans Christian Andersen.It comes from the story written by Hans Christian Andersen.它

6、來自漢斯·克里斯蒂安·安徒生寫的故事。come from“來自，從……來”=be from，表示某人或某物來自某一地方。be 是連系動詞，come 是實(shí)義動詞，兩個短語的否定和疑問形式不一樣。He comes from Australia.=He is from Australia.他來自澳大利亞。Does Ann come from England?=Is Ann from England?安來自英國嗎?7.by

7、介詞“由，被” ，常構(gòu)成被動語態(tài)。一 Who is this music written by?這是誰寫的樂曲?一 It's by Mozart. 是莫扎特寫的。The clothes were washed by my father. 這些衣服是由我的爸爸洗的。乘（車、船等） We’ll go by boat.我們將乘船去。（指時(shí)間）不遲于 You must be back by ten o’clock at night.你必