大家好，小好來(lái)為大家解答以上問(wèn)題。be able to造句，be able to很多人還不知道，現(xiàn)在讓我們一起來(lái)看看吧！

1、(1) be able to 強(qiáng)調(diào)通過(guò)努力而獲得的能力,而can則強(qiáng)調(diào)自身已具有的能力.如：She can sing the song in English.她能用英語(yǔ)唱這首歌.He will be able to sing this song in English in a few minutes,too.幾小時(shí)之后,他也能用英語(yǔ)唱這首歌.(2) be able to 強(qiáng)調(diào)一種結(jié)果,而can只強(qiáng)調(diào)一種可能.如：Luckily,he was able to escape from the big fire in the end.幸運(yùn)的是,他終于逃出了大火.If he got here a few hours earlier,I could save him.要是他早幾小時(shí)來(lái),我還能救他.(3) be able to 可以有各種時(shí)態(tài)；而can只有一般現(xiàn)在和一般過(guò)去兩種時(shí)態(tài).如：I could help you last night,but you didn’t come.昨天晚上我能幫你,而你又沒(méi)來(lái).Can you see it there?你能看見(jiàn)它在那兒?jiǎn)?He is / was / will be able to help you.他能幫你的忙 Will you be able to camera the lecture tomorrow?你明天能把講座錄下來(lái)嗎?I'm sorry I haven't been able to answer your letter in time.真對(duì)不起我沒(méi)能及時(shí)給你回信.Ps:指過(guò)去某時(shí)或某個(gè)時(shí)刻設(shè)法做成某事,不用could,而用was\were able to.I talked with her for a long time,and eventually I was able to make her believe me.我談了很久,最終還是使她相信了我的話.(4) can可用于表示可能性,推測(cè),允許等情況,而be able to通常不這樣用.You are able to use my pen.(誤) You can use my pen.(正) （5） can有被動(dòng)語(yǔ)態(tài),主語(yǔ)為人或物皆可,而be able to只接不定式的主動(dòng)形式,不接表示被動(dòng)的不定式,也不可用無(wú)生命的名詞作主語(yǔ).例如：The work is able to be done by him.（誤） He is able to do the work.（正）。

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