?must be doing

must be doing發(fā)音

英：　　美：

must be doing中文意思翻譯

常用釋義：正在做某事：表示對某人或某事正在進(jìn)行的行為的推測或肯定。

肯定在做

must be doing雙語(yǔ)使用場(chǎng)景

1、However, few would argue that the Swiss has not improved his volleys since he began working with Roche, so he must be doing something right.───然而，很少有人認為瑞士人打從開(kāi)始和羅切合作后在截擊這一技術(shù)環(huán)節沒(méi)有取得提高，因此羅切至少在某些方面是做對了的。

2、We're only seeing each other once a week. That's not exactly a sex life. You must be doing a lot of, um, solo flights.───我們一個(gè)星期才見(jiàn)一次面，連性生活都算不上。你肯定也打過(guò)，嗯，不少手槍吧。

3、must be doing something right at Sidwell Friends!───維爾友誼學(xué)?？隙ㄗ鰧α四承┦?！

4、Developers need to realize that if the company is profitable, these people at the top must be doing something right.───開(kāi)發(fā)者們意識到如果公司是有利可圖的，那些高層次管理人員就應該做出正確的決定。

5、Clearly, Bernanke must be doing something right.───顯然，伯南克要去做一些正確的事。

6、Peter: Well, they must be doing something right over there. Meanwhile, we're about to go belly-up .───好啦，他們應該做對了什么啦。目前，我們快要破產(chǎn)了。

7、I looked round and thought I must be doing something wrong.───我環(huán)顧四周后開(kāi)始認為，我肯定做錯了什么。

8、Your senses tell you that these craft are of extra-terrestrial origin and that they must be doing something to the Sun.───你們的直覺(jué)告訴自己那些是ET的它們一定在對太陽(yáng)做些什麼。

9、Sally: Yeah, I am. I was just trying it out. I think I must be doing something wrong. My muscles are aching already.───哦，我不用了。我剛剛只是試試看怎么樣。我想我肯定是哪里出錯了?，F在我的肌肉好痛。

must be doing相似詞語(yǔ)短語(yǔ)

1、that must be───那一定是

2、must be happy───一定很開(kāi)心

3、be must───必須

4、must be that───一定是那個(gè)

5、be doing───做；現在進(jìn)行時(shí)；表達當時(shí)的行動(dòng)（狀態(tài)）

6、it must be───它必須是；一定是

7、be must for───必須

8、must be the───一定是

9、must be nice───一定很好

mustdoing還是musttodo？

must to do 和must doing 這兩種形式都不對。

must 是情態(tài)動(dòng)詞，沒(méi)有人稱(chēng)和數的變化，后面直接加動(dòng)詞原形。情態(tài)動(dòng)詞還有can/could/need/may/might等。

例子：You must do your homework first before you watch TV after school.

放學(xué)后，在看電視之前你必須先寫(xiě)作業(yè)。