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问题 现在分词的完成被动式与不定式的完成被动式

Some Martian rock structures look strikingly like structures on Earth that are known ______ by microbes.A. having been createdC. to have been createdC是正确答案,可是A和C都可以表示非谓语的动作先于谓语动词的动作,为什么不能选A?

问题 固定搭配的语法

mistake A for B错把A当成了B,这里for这个介词短语做什么成分?

问题 请刘永科老师分析修饰关系及意义(begins+时间段+after+ 事件名词)

...1hour就行——即3小时、4小时....也行?主要after 1—2 hours of speech这个可否=1—2 hours after speech ?after 1—2 hours of speech 这个如果换算成时间,现在是12点,那么after 1—2 hours of speech 应该是表示大于12点钟就可以,既可以是13点05分,...

问题 两个时态问题

1.Our new English teacher, who is said to have moved back to China, ___A___ in America for almost ten years.A.livedB.has livedC.was livingD.had lived请问这题为什么不选D呢,老师已经回来了,说明待在美国是发生在过去的过去,而且for+一段时间,为什么不...

问题 请问这里为什么要用过去虚拟

这句话是威廉王子在纪念母亲戴安娜的音乐会上说的:As the concert concluded,William said:"Thank you to all of you who have come here tonight to celebrate our mother's life on what would have been(就在这里) her 46th birthday."这是2007年7月1日星期日举行的音乐会,...

问题 It’s too soon后接不定式还是动名词

It’s too soon后接to do sth还是接doing sth?比如下面一句:It’s too soon ________ (make) a judegement about what the outcome will be.是填to make还是making?

问题 副词用法

It won’t hurt you to talk a little less.请问老师:1. less是副词修饰动词talk吗?2. a little是副词短语修饰副词less吗?

问题 带连字符的复合形容词能作表语吗

...e years old.但是,我看到这样一个句子:Where we were standing, the lake was waist-deep.  我们站立的地方,湖水齐腰深。这个句子中的 waist-deep 就是带连字符的复合形容词啊,它不是用作表语吗?这应如何理解呢?请老师指点一下,非...

问题 ​ 为什么you'll be as good as new是错的

Just a few more days in the sick bay, you'll be_____ good _____ new.为什么两个空都填as是错的?正确答案是的 you'll be good as new.

问题 名词所有格做前置修饰语和限定词的区别

名词所有格做前置修饰语的地方很多吗?例如a children's book, a men's toilet, a three day's hoilday如若很多, 那意思不就不好辨别了吗?譬如说children's books 到底是说一群孩子的书 还是说许多儿童图书?此外名词所有格表示...

问题 关于逗号后面是否应该有连接词

She wanted to solve crimes, not be a meter maid. 这个句子我请教了一些老师,都说是逗号后面的句子还原回来应该是 she did not want to be a meter maid. 但这里没有用and和或者把be改为非谓语being,这个be 在这里要算一个动词,我的理解是...

问题 for 的理解

For a great book is necessarily a gift. 请问老师for 在这里词性和含义是什么?

问题 "换钱" 用change for /change to /exchange to

exchange dollars for poundschange a $10 bills for two fivesThe new government enacted a law to change to a new bill. 请问,  这几个搭配有什么区别呢?   字面上都是把一种钱换成另一种钱??此外还想问下老师, change sth to/for sth  两个sth是同类事...

问题 一道专四的宾语从句题。

She managed to save ____ she could out of her wages to help her brother.空格的答案为 what little money按照答案解析的说法,此句的完整句子为:She managed to save what little money she could (save) out of her wages to help her brother.既然是what引导的宾从,那么 what l...

问题 than后面接的是倒装句吗

Foreign-born Asians and Hispanics “have higher rates of intermarriage than do U.S.-born whites and blacks”.代动词do为什么提到主语前面? 曹老师,你好,than后面的都应该是带动词吧,代替have some rates of intermarriage.是吧,但是正常的语序不应该是U.S....