開(kāi)放式英語(yǔ)2各單元內(nèi)容重點(diǎn)-閱讀頁(yè)
2025-04-21 23:28本頁(yè)面
【正文】 n’t(一般過(guò)去時(shí))加主語(yǔ)構(gòu)成。（1）與現(xiàn)在或?qū)?lái)情況相反的虛擬條件句最常用的結(jié)構(gòu)是：從句：if+動(dòng)詞過(guò)去式。I must buy presents for my friends ,they have been so kind to me .I have to begin my work at 2:30.（2）如果是別人對(duì)你說(shuō)“必須做某事”時(shí)用must, 實(shí)際上是一種命令或者強(qiáng)烈的建議：You must hand in the exercisebook tomorrow.（3）表示強(qiáng)調(diào)，have to 和must 可用really 修飾：I really must buy presents for my friends.I really have to begin my work at 2:30 musn’t 和don’t have to （?。﹎usn’t 表示不允許做某事。（2）don’t have to :表示不必要做某事，或者沒(méi)有義務(wù)做某事。定語(yǔ)從句（1）一般修飾名詞或代詞，在句中做定語(yǔ)。You can’t take all the book that I have put on the desk.（2）定語(yǔ)從句分限定性和非限定新定語(yǔ)從句。The workers who do cleaning every day for us are good.非限定性定語(yǔ)從句：只是提供額外的信，可以略去，結(jié)構(gòu)上需要逗號(hào)與主語(yǔ)分開(kāi)。I don’t like the book that you are reading.(做賓語(yǔ)時(shí)，可省掉)The building which stands there is a hospital.（做主語(yǔ)）I’ll give the radio(which) Dolly gave me to Steve.(做賓語(yǔ))Unit 35動(dòng)詞ing形式（1）動(dòng)詞后面可以接動(dòng)詞—ing形式：Do you like swimming?（2）介詞短語(yǔ)后面接ing形式：Are you good at drawing?（3）Talking with her is a nice thing. (做主語(yǔ))（4）Her job is taking care of the children.（做表語(yǔ)）（5）The boy began laughing. (做賓語(yǔ))否定意義的前綴un: unable (無(wú)能為力的)， unfriendly(不友好的)im:impatient(無(wú)耐煩的)， impossible(不可能的)in:insentive(不敏感的)， incorrect(不正確的)dis:dishonest(不誠(chéng)實(shí)的)。The teacher went to Beijing to attend meeting last winter.They were playing basketball at 5:00yesterday afaternoon.（2）一般過(guò)去時(shí)與過(guò)去進(jìn)行時(shí)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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