【問(wèn)】 The human ribs are capable to move so as to allow room for the lungs to expand duringbreathing.請(qǐng)指出這個(gè)句子的毛病并加以分析?！敬稹?從結(jié)構(gòu)上說(shuō),與able不同,capable作表語(yǔ)時(shí),其后應(yīng)當(dāng)跟of sth.或of doing sth.,而不能跟to do sth.。這是各類標(biāo)準(zhǔn)考試所...[繼續(xù)閱讀]

    【問(wèn)】No really satisfactory photograph has ever been taken of one in a wild state,no zoologist.however intrepid,has been able to keep the animal under close and constant observation inthe dark jungles in which he lives.(New Concept English,Book 4,P. 17)[原譯1...[繼續(xù)閱讀]

    【問(wèn)】 葛傳椝:《英語(yǔ)慣用法詞典》(P.114)說(shuō):“I was able to do it.(指經(jīng)常的或一次的能力,并不意味著實(shí)行。)”這種說(shuō)法是否符合英語(yǔ)的實(shí)際情況?【答】 這種說(shuō)法與英語(yǔ)的實(shí)際使用情況是不相符的,實(shí)際上,was(were) able to只能表示一次性...[繼續(xù)閱讀]

    【問(wèn)】 (1)Gauss was able to show by a theoretical analysis that the field arose within the solidearth...(北大《英語(yǔ)》(三),P.101)[原譯]高斯通過(guò)理論分析能夠證明場(chǎng)是在地球?qū)嶓w內(nèi)產(chǎn)生的……(教參)(2) After years of difficulty,Whittle was,however,able to build his firs...[繼續(xù)閱讀]

    【問(wèn)】 有一本英語(yǔ)詞典上說(shuō):“could用來(lái)表示can的過(guò)去時(shí)態(tài),相當(dāng)于was able to”。這種說(shuō)法似乎不大精確,您說(shuō)呢?【答】 我們?cè)赾ould/was able中已經(jīng)講了它們之間的一個(gè)重要區(qū)別:could表“潛能”,was ableto表“動(dòng)作的完成”,此外,它們之間還...[繼續(xù)閱讀]

    【問(wèn)】 我已知道,could表示潛能。I could pass the examination.是說(shuō)“我曾有能力通過(guò)考試?！?而不是指“我成功地通過(guò)了考試”。而I was able to pass the examination.則是指“我確實(shí)成功地通過(guò)了考試”。也就是說(shuō),was(were) able to是強(qiáng)調(diào)動(dòng)作的完...[繼續(xù)閱讀]

    【問(wèn)】They will stay for about a week.請(qǐng)問(wèn)about在這里是什么詞?【答】 about在這里不是介詞,而是副詞,作“大約”、“大概”解。1. He came (at)about 4 oclock in the afternoon. (Hill)他大約下午四點(diǎn)鐘來(lái)了。2. Only about a third of land is arable. (White)只有大...[繼續(xù)閱讀]

    【問(wèn)】 about和on在作“關(guān)于”解時(shí)有無(wú)區(qū)別?【答】 有區(qū)別。在談到非科學(xué)性、非嚴(yán)肅性問(wèn)題時(shí),一般使用about。因此,正象R.Quirk等人所說(shuō)的那樣,在chat或quarrel一類動(dòng)詞之后使用on,是不合適的:1. That at least is my idea about friendship.(Wilde)這至...[繼續(xù)閱讀]

    【問(wèn)】 be about與be on the point of在語(yǔ)義上有無(wú)區(qū)別?【答】 它們?cè)谡Z(yǔ)義上并沒(méi)有什么區(qū)別,都表示最近的將來(lái)(正要,剛要)。但是,在語(yǔ)法上,beabout應(yīng)與帶to的動(dòng)詞不定式連用,而be on the point of則必須接動(dòng)名詞。1. He was just about to dive when he ...[繼續(xù)閱讀]

    【問(wèn)】 The government____to approve the use of wide-spread surveillance when the JusticeDepartment took objections.A. is going B. had beenC. was about D. is coming(TOEFL,76.2)請(qǐng)解釋be about to的意義和用法。【答】 半助動(dòng)詞be about to(+動(dòng)詞原形),如同will/shall,be going to,be t...[繼續(xù)閱讀]