開放式英語2各單元內(nèi)容重點-資料下載頁
2025-04-06 23:28本頁面
【正文】 允許做某事。You musn’t smoke here because there are some babies in the room.你不能在這里抽煙，因為有小孩子在屋里。（2）don’t have to :表示不必要做某事，或者沒有義務(wù)做某事。We don’t have to pay for that. It ‘s free.我們沒有必要付錢，這是免費的。定語從句（1）一般修飾名詞或代詞，在句中做定語。定語從句一般放在修飾的名（代）詞之后，由關(guān)系代詞（副詞）引導(dǎo)。You can’t take all the book that I have put on the desk.（2）定語從句分限定性和非限定新定語從句。限定性定語從句：對于說明句子意義來說，不可或缺，否則限定性定語從句就不完整，結(jié)構(gòu)上不用逗號與主語隔開。The workers who do cleaning every day for us are good.非限定性定語從句：只是提供額外的信，可以略去，結(jié)構(gòu)上需要逗號與主語分開。The woman, whose father is a teacher, works in our puter.（3）定語從句中，that , who , which常在從句中做主語或賓語。I don’t like the book that you are reading.(做賓語時，可省掉)The building which stands there is a hospital.（做主語）I’ll give the radio(which) Dolly gave me to Steve.(做賓語)Unit 35動詞ing形式（1）動詞后面可以接動詞—ing形式：Do you like swimming?（2）介詞短語后面接ing形式：Are you good at drawing?（3）Talking with her is a nice thing. (做主語)（4）Her job is taking care of the children.（做表語）（5）The boy began laughing. (做賓語)否定意義的前綴un: unable (無能為力的)， unfriendly(不友好的)im:impatient(無耐煩的)， impossible(不可能的)in:insentive(不敏感的)， incorrect(不正確的)dis:dishonest(不誠實的)。 一般過去時與過去進行時（1）一般過去時指過去的習(xí)慣動作或過去某個特定實際或某一段時間發(fā)生是動作或情況，而過去進行時表示過去某一時刻或階段正在進行的動作。The teacher went to Beijing to attend meeting last winter.They were playing basketball at 5:00yesterday afaternoon.（2）一般過去時與過去進行時結(jié)合使用When we were talking about him, he came in.We were playing cards when someone knocked at the door.6
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