话题 go bike riding和ride bike的区别

话题 as is said和it is said

问题 如何区分及物动词和非及物动词

曹老师，我十分想弄明白如何区别一个单词是及物动词还是非及物动词！您能否好告诉我一个很好的判别方式？谢谢！！！

问题 人称代词+'s+be+been和has/have been的区别

美剧里面有很多it's been或者he's been之类的说法，请问和has/have been的区别是什么

问题 the other和other的用法区别

经理威胁说要解雇他和其他收银员，因为他们拒绝加班。译：The manager threatened to sack him and other cashiers for their refusing orders to work longer         than thier agreed hours.问：这里的“经理”前加了the 表示特指“本店的经理”，但除我之...

问题 分词做后置定语和伴随状语该怎么去判断

...ncluding …做的是后置定语还是伴随状语？分词做后置定语和伴随状语该怎么去判断呢？

问题 对曹老师《限定动词、非限定动词的定义和语法作用》一文中部分内容的疑问

...义，句子中的主谓结构必须含有限定动词形式，而祈使句和虚拟语气表示将来未必是事实的动词形式都是原型，也被认为是限定形式。由此可以知道所谓动词的限定形式指的是陈述语气谓语中的现在时和过去式，以及祈使句和虚...

问题 现在完成时和一般将来时

Jack's parents cannot go to parents' meeting because they___to Beijing on business.这里应该填have gone还是will go?

问题 then和later的用法区别

He washed all the dishes so that his mother wouldn't have to do it (  ).这里用 later 好还是用 then 好？

问题 when 和 while 的区别与互换

Think about rocks when you enjoy the sand and sun. 这句话中的when能用while 吗？

问题 anybody和everybody的使用区别

Anybody\Everybody is allowed to use the bicycles,no matter what they are locals or foreigners.这里是不是用Anybody更加好？

问题 被动和伪被动区别

Increasingly both Houses were called to agree to taxation. 第一句是被动吧？ The economic causes were connected with Flanders. 第二句伪被动？ connected已经在此处是完全形容词词化？

问题 in that 还是 in which

It put us in a special place with customers in that they could come to the site and get honest and comprehensive请问老师，如何理解 in that ? that后面从句不缺成分，这里是把当成in which一样吗？还是 in只是副词，that后是主语，代指it？ 

问题 whoever究竟是 the person who 还是 any person who 或者是 every person who ?

...还是 any person who 或者是 every person who ?显然， the person who 和 any person who 以及 every person who 含义是不一样的。我搞不懂如何区分这些不同的含义和用法？另外，they advocate for what agriculture's needs are, 中what不是疑问代词，而应该是融...

文章 我们为什么要学习英语

...流的通用语言，还是联合国、欧洲联盟以及许多其他世界和区域国际组织的官方语言之一。截至目前为止，全世界共有45个国家以英语为母语，全球有75个国家将英语定为官方语言，有超过1/3的人口在使用英语，90%的科技期刊都...