ask的用法和固定搭配
1. 可以接雙賓語。如：
Ask him his name. 問問他的名字。
She asked me what I wanted. 她問我想要什么。
有時雙賓語交換位置，借助介詞 of。如：
他來請我幫忙。
正：He came to ask me a favour.
正：He came to ask a favour of me.
他問了我一個問題。
正：He asked me a question.
正：He asked a question of me.
2. 與介詞的常見搭配：
(1) 與介詞 for 連用，有“要求得到”的意思。如：
She is always asking for money. 她老是要錢。
He asked 100 yuan for a box. 他要100元一箱。
有時單獨用 ask 也可表示 ask for 的意思。如：
He asked (for) the teacher’s advice. 他向老師征求意見。
=He asked the teacher for his advice. 他向老師征求意見。
(2) 與 about 連用，表示詢問或打聽關于某事的情況。如：
Ask (him) about the ring — he may have found it. 問問(他)你丟的戒指——也許他撿到了。
(3) 與 after 連用，表問候或問好。如：
He always asks after you in his letters. 他每次來信都向你問候。
比較(www.yygrammar.com)：
He asked her something. 他問她一個問題(或一件事)。
He asked her for something. 他問她要某東西。
He asked her about something. 他問她關于某事的問題。
3. 后接不定式或不定式的復合結構，表示要求做某事或要求某人做某事。如：
He asked to stay with us. 他要求和我們一起留下。
She asked me to post some letters. 她叫我寄幾封信。
1、ask a price：要價
2、ask a question：提問