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hAD Doing

你好楼主, 这两个时态不一样,had been doing是过去完成进行时,就是相对过去的某个时刻来说已经对现在有直接影响并且还在进行的动作。 而have been doing是现在完成进行时,其表达的意思有两种:1.表示从过去某时开始一直持续到现在的动作,并...

have been doing 网络 现在完成进行时; 现在完成进行时态; 完成进行时态; 现在完成进行; 将来完成进行时 Biological systems have been doing this for billions of years. 生物系统亿万年来一直都是这样。 had been doing 网络 过去完成进行时;...

had something doing 有事情做 如果非要说句子成分的话应该是状语。=in doing sth have something (in) doing sth..其实它是省略了这个in, 你加进去也是对的 希望对你有帮助

1. have sb. do sth. “have + sb.(宾语)+ do sth.(宾语补足语)”意为“让 / 叫 / 使某人做某事”。此结构中的 have 是使役动词,sb. 作宾语,其后的 do sth.是省去 to 的动词不定式作宾语补足语。例如: The boss often has them work for 14 h...

1、have sb do sth是指让某人做某事,强调一次性的动作。 例句:The teacher had Mary clean the classroom two days ago. 老师两天前让玛丽打扫教室。 2、have sb doing sth是指让某人一直做某事,强调动作的持续性、连续性或者动作的反复性。 ...

was doing是过去进行时,表示过去正在发生.例如:She was washing when her son came in.(她儿子进来时她正在洗衣服.) had been doing是过去完成进行时,基本相当于过去完成时,但可以强调动作延续.例如:They had been playing chess for the wh...

have a great time后接doing sth. have a great time doing sth. 做某事很开心/愉快例如 We have a great time preparing our own dinner. “have a good time ”“have a difficult time”“have a hard time”等形式的词组后都跟doing sth.例如 I ha...

恩 我先来说一下例句 一。His trousers was been worn out. (这里的 过去分词是做表语,表明一种状态) was been done,而这里的逻辑主语又是他的裤子,所以用被动,是被他穿破的 二。 The bicycle is been riding by my brother now. (这里的 ...

这里的时态叫过去完成进行时,就是过去完成(had done)和进行时(be doing)合起来,最终结构是had been doing表示的是主动含义,还有延续的含义,表示我在戒烟前一直是每天三包烟。 被动的表达是be+done(过去分词),be动词后面跟的一定是过去分...

一、have作实意动词。 1.表示“有”的意思。 Look, I have wings, just like you. (JBⅤL1) He had fair hair and blue eyes. (JBⅥL2) 〔注1〕:其否定和疑问形式变化,在美国通常用助动词do。 〔注2〕:在英国口语中常用have got代替have. Look, c...

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