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

1、(1) be able to 強(qiáng)調(diào)通過努力而獲得的能力,而can則強(qiáng)調(diào)自身已具有的能力.如：She can sing the song in English.她能用英語唱這首歌.He will be able to sing this song in English in a few minutes,too.幾小時之后,他也能用英語唱這首歌.(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.要是他早幾小時來,我還能救他.(3) be able to 可以有各種時態(tài)；而can只有一般現(xiàn)在和一般過去兩種時態(tài).如：I could help you last night,but you didn’t come.昨天晚上我能幫你,而你又沒來.Can you see it there?你能看見它在那兒嗎?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嗎?I'm sorry I haven't been able to answer your letter in time.真對不起我沒能及時給你回信.Ps:指過去某時或某個時刻設(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,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有被動語態(tài),主語為人或物皆可,而be able to只接不定式的主動形式,不接表示被動的不定式,也不可用無生命的名詞作主語.例如：The work is able to be done by him.（誤） He is able to do the work.（正）。

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