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课件网) 不定式 作表语 选修3 Unit1 Do you know what happened to Mixue Example Discussion Discuss with your partner the function of the italicized infinitives. Mixue’s ambition is to run an international branch分店 in New York. My plan is to raise enough money and retire in two years'time. 不定式作表语 结构 My plan is to raise enough money and retire. 系动词 to do不定式 动词不定式可以放在 be和 become, sound, taste 等系动词后面作表语，由“(to) +动词原形”构成。 情形1 My part-time job is to guide the travelers. 主语和表语“等价＝”的情形。to guide the patients 为part time job的内容 to do不定式作表语表示主语的职业，职责，性质等。 翻译句子 我们的职责就是照顾好老人。 Our duty is to take good care of the elderly. 情形2 The main job of the zoo keeper is to look after them well. My wish is to travel around the world. 当主语是aim, purpose, idea, intention, plan, wish, decision, choice等名词时，常用to do不定式作表语说明名词的内容。 翻译句子 他的梦想是让身边的人幸福健康。 His dream is to make people around him joyful and healthy. 情形3 What strikes me most is to see such unfair result. What made me fail is to ignore the fact. 当主语时what 引导的名词性从句，用to do作表语说明其具体内容。 主语从句 翻译句子 他们会做的是在冬天庆祝节日。 What they would do is to celebrate the festival in winter. 情形4 You are to come when I call. You are not to tell a lie to me. be to do表示一般将来时，含有“应该，必须”等意思，常表示义务、命令、想法、约定、可能性等。 在港剧《河东狮吼》里面有这样的经典场面 翻译句子 你必须要鞠躬当你在日本见到比你年长或位高的人。 You are to bow when you come across someone who is senior to you in Janpan. 情形5 All they wanted was to take an active part in the event and cook for the beloved students. 当主语包含①定语从句,且先行词为②代词all, 或者主语被序数词、或the only, the last或形容词最高级 (the most,the least)时，其后可接“系动词+不定式”作表语 定语从句(that被省略) 先行词 翻译句子 我所能帮的最起码的事是借给她一辆车。 The least I can do to help is to lend her a car . What he wanted to do was (to) become a skillful coser. 难点1 主语 主语部分含有行为动词do时，作表语的不定式可以省略to All we look forward to doing is (to) live each day with hope. 主语 行为动词do 1. Some junior students are to blame for the improper behaviors. 2. The shop is to let. 难点2 不定式to blame(该受责备，应负责任)，to let(出租)用作表语时，通常用主动表被动。 Good medicine is bitter to taste. The picture is pleasant to look at. 难点3 系动词 形容词 to do 动词不定式通常用主动形式表示被动意义 不定式与句子的主语存在动宾(被动)关系 难点4 “疑问词+不定式”构成不定式短语，在句中常作主语、宾语、表语 The problem was how to prevent such accident happens again. 疑问词 to do 难点5 To see is to believe. = Seeing is believing. 动词不定式和v-ing作表语时，要注意与句子的主语在形式上保持一致 保持一致 Their job is studying for college entrance exam. 难点5 Their job is to perform in the class at the end of 2025. V-ing动名词强调的是一般性、抽象 ... ...
