高中英语unit4pygmalionsection3课件新人教版选修8内容摘要:

she refused to help. 她再次拒绝帮忙。 ② Once again, let us give a warm wele to our five performers. 让我们再次以热烈的掌声欢迎这五位演奏家。 知识拓展 all at once 同时;突然 just this once 仅此一次 once (and) for all 最终地;彻底地;一次了结地 once in a blue moon 极为罕见 once in a while 偶尔;有时 once upon a time 从前 ① All at once we heard a shot and the soldier fell to the ground. 突然我们听见枪声 , 接着那士兵就倒在地上。 ② We need to settle this once and for all. 我们需要把这件事一次解决。 ③ Once upon a time, a farmer lived on the farm with a lazy cat. 从前 , 一位农民和一只懒猫住在农场里。 活学活用 用 once的有关词组填空 (1)这样的机会极其难得。 Such a chance es ________________. (2)这么多好主意 , 太多了 , 很难同时完全吸收。 So many good ideas。 It39。 s too much for me to absorb __________________. (3)我们偶尔下馆子 , 但一般都在家吃。 __________________ we go to a restaurant but usually we eat at home. 答案: (1)once in a blue moon (2)all at once (3)Once in a while 3. in need of 需要 „„ ① He is homeless and in desperate need of help. 他无家可归急需帮助。 ② He was injured, and in need of help. 他受了伤 , 需要帮助。 比较网站 in need of, in need in need of “ 需要 „„” ,为介词短语,后跟名词或代词,相当于 in want/demand of in need “ 在贫困中,在危难中 ” ,后不接任何成分,相当于 in demand 活学活用 (1)用恰当词语填空 ① The minister said that their church was badly ________ need of repairs. 答案: in 句意:牧师说他们的教堂迫切需要修理。 in need of“ 需要 ”。 ② Many Chinese universities provided scholarships for students in________ of financial aid. 答案: need 句意:很多中国大学提供奖学金给需要资金援助的学生。 in need of“ 需要 „„ ” , 符合题意。 (2)翻译句子 ① 如果需要什么东西 , 请毫不犹豫地让我知道。 _________________________________________________ ② 这个处在危难中的人急需路人的帮助。 _________________________________________________ 答案: ① If you are in need of anything, don39。 t hesitate to let me know. ② The man in need was in urgent need of the help of the passersby. 1. I39。 d never have e if I39。 d known about this disgusting thing you want me to do... 如果我知道你们想要我做这件令人讨厌的事情 , 我绝对不会来 „„ 本句是由 if引导的与过去事实相反的虚拟条件句 , 条件从句的谓语动词用 “ had+过去分词形式 ” , 主句中的谓语动词用 “ would/could/should/might+ have+过去分词 ” 形式。 虚拟语气在条件从句中的用法 在含有虚拟条件句的复合句中 , 主句和从句的谓语都要用虚拟语气 , 主要有以下几种情况: 从句 主句 与现在事实 相反 动词过去式 (be的过去式用 were) would/could/should/might+动词原形 与过去事实 相反 had+动词过去分词 would/could/should/might+ have+过去分词 与将来事实 可能相反 动词过去式 /should+动词原形 /were to+动词原形 would/could/should/might+动词原形 ① If she knew English, she wouldn39。 t ask me for help. 如果她懂英语的话 , 她不会找我帮忙的。 ② If I were you, I would go to the hospital. 如果我是你 , 我会去医院的。 ③ If I had known her number, I would have called her. 如果我知道她的电话号码的话 , 我就给她打电话了。 ④ If it were to snow this evening, they would not go out. 如果今晚下雪 , 他们将不出去了。 注意: (1)在书面语中 , 如果虚拟条件从句中有 were, had或 should, 可以把 if省略 , 而把这几个词放到主语之前 , 构成倒装结构。 有 not时 , not不用提前。 ① Were it necessary, I might resign. 如果必要的话 , 我可以辞职。 ② Should they have patience, they could do the work well. 如果他们有耐心的话 , 他们就可能把这项工作做好。 知识拓展 当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时 , 被称为 “ 错综时间条件句 ” , 动词的形式要根据它所表示的时间做出相应的调整。 If you had followed my advice just now, you would be better now. 如果你刚才接受我的建议 , 你现在会好些。 If you had studied hard before, you would work in the office now. 如果你以前努力学习 , 你现在就在办公室里工作了。 活学活用 (1)完成句子 ① 昨天要是不生病 , 我是可能来上学的。 ________ ________ ________ ________ ________ ________, I might have e to school. (be) ② 如果你在上个学期用功一些 , 你就会在考试中过关了。 If you had studied harder last term, you ________ ________ ________ ________ ________. (pass) 答案: ① If I。
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