【正文】
。②hear of / about 意為“聽說(shuō)”,其后常接名詞或代詞?!馡’ve never heard of the place . 我從未聽說(shuō)過(guò)那個(gè)地方?!馡 have heard of / about the news . 這個(gè)消息我聽人說(shuō)過(guò)。③hear sb. doing sth . 意為“聽見(jiàn)某人正在做某事”●I heard the girl singing in the next room . 我聽見(jiàn)那個(gè)女孩正在隔壁唱歌。④hear sb. do sth. 意為“聽見(jiàn)某人做了某事”,聽見(jiàn)的是動(dòng)作的全過(guò)程。●I heard him climb upstairs. 我聽到他爬上了樓梯。⑵句型:It is +形容詞/名詞(+for sb. )to do sth . 為固定句型,it為形式主語(yǔ),不定式短語(yǔ)為真正的主語(yǔ),表示“對(duì)某人來(lái)說(shuō)做某事怎么樣(是什么)”?!瘛狪t is important for us to learn English . 學(xué)好英語(yǔ)對(duì)我們來(lái)說(shuō)是很重要的。●—It’s our duty to obey the traffic rules . 遵守交通規(guī)則是我們的職責(zé)。歸納總結(jié):It’s +形容詞+to do sth. 中的of與 forIt’s +形容詞+to do for來(lái)引出不定式的行為者(即:不定式的邏輯主語(yǔ)),究竟是用of for sb. ,取決于前面的形容詞。①若形容詞是描述不定式行為者的性格、品質(zhì)的用of sb,如kind , good , nice , right , wrong, clever , careless, polite , foolish 等。●It’s very kind of you to help me . 你能幫我,你真好?!馡t’s clever of you to work out the maths problem . 你真聰明,解出了這道題。②若形容詞僅僅是描述事物,不是對(duì)不定式行為者的品格進(jìn)行評(píng)價(jià),用for sb. ,這類形容詞還有difficult , easy , hard , important , dangerous , (in)possible 等?!馡t’s very dangerous for children to cross the busy street . 對(duì)孩子們來(lái)說(shuō),穿過(guò)繁忙的街道很危險(xiǎn)?!馡t’s difficult for us to finish the work . 對(duì)我們來(lái)說(shuō),完成這項(xiàng)工作很困難。③of ,但for 。●It’s very nice of you to offer me a seat . = You are nice to offer me a seat . 十分感謝你給我讓座。●It is careless of him to lose so many things .= He is careless to lose so many things. 他丟了這么多東西,真是太粗心了?!馡t’s very important for you to practice your oral English in daily life. 在日常生活中練習(xí)你的英語(yǔ)口語(yǔ)非常重要。這句話不能說(shuō)成:It is very important of you to practice…(誤)經(jīng)典考題:認(rèn)真選一選①I look forward to _____ you in the near future. A . hear from B. hearing about C. hearing from D. hear about 解析:句意為“我盼望在不久的將來(lái)收到你的信”。look forward to為固定短語(yǔ),意為“盼望”,后跟動(dòng)名詞形式,故可排除A、D兩個(gè)選項(xiàng)。hear about意為“聽說(shuō)”,hear from意為“收到……的來(lái)信”,故應(yīng)用hearing from。答案:C②It is really kind _____ you to help me with my English. A. of B. to C. for D. with解析:句意為“你能幫我學(xué)英語(yǔ),你真是太好了”。it在本句中作形式主語(yǔ),動(dòng)詞不定式為真正的主語(yǔ)。Kind為描述you的品格或性格特征,故用介詞of。答案:A③It’s important _____ the piano well . A. of him to play B. for him to play C. of him playing D. for him playing解析:句意為“對(duì)你來(lái)說(shuō),彈好鋼琴很重要?!本渲械膇t是形式主語(yǔ),真正的主語(yǔ)是后面的動(dòng)詞不定式短語(yǔ)to play the piano well,由此可排除C、D兩個(gè)選項(xiàng)。此句中形容詞important僅僅是描述事物,不是對(duì)不定式行為者的品格進(jìn)行評(píng)價(jià),故應(yīng)用for sb.。答案:B