Why is the ability to get on with people important?與人相處的能力為什么那么重要？
But the most wonderful thing with/about Jack was his musicial ability.但是杰克最棒的是他的音樂才能。
ability for/in some work.做某項工作的能力
ability to do sth.做某事的能力
to the best of one’s ability.盡某人最大努力
用ability表示干某事的能力,后面只能接不定式,而不能用of doing sth.結構
The young girl shows considerable ability in/for organization.這位年輕的姑娘頗有組織能力。
At an early age,she showed a talent for music.很小的時候她就表現出了音樂天賦。
The concert was performed by a violinist of unquestioned competence but limited imagination.這位演奏協奏曲的小提琴家毫無疑問是有能力的,但缺乏想象力。
be able to do sth.能做某事
By the time he was 14,he was able to play the guitar and piano.14歲的時候，他就能彈吉他和鋼琴了。
An able lawyer made an able speech.一位有能力的律師發表了一篇出色的演說。
在shall,will,have等詞后，只用be able to.
Will he be able to speak English in another few months?再過幾個月他就會講英語了嗎？
He has not been able to escape yet.他還沒能夠逃脫。
be able to可與情態動詞(can除外)或助動詞連用，而can則不能。
Will you be able to come here tomorrow?你明天能來嗎？
He must be able to use the foreign language,forgetting all about his own.他必須能夠在運用外語的同時，忘掉自己的母語。
be able to接不定式時，只能接肯定的、主動的不定式，不能接被動的不定式。需要時可由can代替。
表示過去做某樁具體事情的能力時，不可用could，應使用was/were able to.
用于請求許可時，只用can不用be able to，can意為”可以”，相當于may
Can I open the window?我可以打開窗戶嗎？
用于表示給出許可時，只用can不用be able to，can意為”可以”，相當于may(這時不能用could,might)。
Could I use your pen?我可以用你的鋼筆嗎？
Yes,of course you can.(不說you could)可以，當然可以。
You can play with your friends when you’ve tidied your bedroom.整理好你的臥室你就可以和你的朋友們一起玩耍了。
inability無能，無力/disability缺陷，障礙/enable使……有能力，使……能夠
A traffic accident disabled the man,so he is disabled and has disability to live as a normal person,but his strong will enables him to live on.Now though he is unable to walk,he is able to walk in his wheelchair and work ably.一次車禍奪去了那個人的能力，因此他殘疾了，沒有能力過正常人的生活了，但是堅強的意志使他能夠繼續生活下去。他現在雖然不能行走，但能坐輪椅走路，并且有能力地工作。
Peple who knew Leonard told the police that there seems to be something abnormal about his personality.認識萊昂納多的人告訴警方，他看起來性格反常。
He noted that a dish in which he was trying to grow bacteria for experiment looked abnormal---there was blue mould in it.他注意到一個他試圖培養實驗用的細菌的碟子看起來不正常---里面有藍色的霉菌。
All aboard!請大家上車/船/飛機！
be about to do sth.正要/即將做某事。表示時間比較緊迫，常與when(這時)連用，由于詞組中已有about，句中不能再加上at once,immediately及表示具體時間的狀語。be not about to do sth.意為不愿做某事。
What/How about……?......怎么樣？
We were about to leave when it started to rain.我們正要離開，突然下起雨來。
I don’t about admit defect.我還不想認輸。
be going to do表示根據個人的愿望/打算要做某事，還可表示預見，即根據已有的跡象推斷將來或即將發生的某種情況。
I’m afraid I’m going to have a cold.我恐怕要感冒。
It’s going to rain this afternoon.今天下午要下雨。
be to do.表示按計劃即將發生的動作。
The road is to be completed next month.這條路將于下月完工。
He is above 15,but he depends on his mother for everything.他都已經15歲多了，但什么事情還是靠他媽媽。
