英语句子的语法问题They do try very hard.谁能告诉我do是怎么来的,去掉不是一样吗?

英语句子的语法问题They do try very hard.谁能告诉我do是怎么来的,去掉不是一样吗? try to do try doing 的语法知识,一定要很详细,然后就是还要有句子 英语句子语法问题如下： 该英语句子是否存在语法问题?What can we do apart from we go after dreams?该句子是否有语法问题?那他存在的语法问题是什么？他该怎么修改比较好？ 求英语句子语法解析They would try to decide what intelligence inhuamns is really for,not merely how much of it there is.请问后面两个并列的宾语从句的句子结构?尽量少用语法词汇, 英语:分析这句话的句子结构:however hard they try 英语问题,请问句子语法有没有错误 you do anything that are abboying. 英语问题222they always let me do (what i think i should).这句话用了什么语法.括号里的是什么从句 try的语法 7.[英语问题]有关语法的英语问题（2）smoking will do you harm.有什么语法现象? 英语词组用法问题uesd to do~used doing；try to do~try doing；是什么意思.还有这一类型的词组有哪些 英语宾语语法问题They asked to see my passport.请问这个句子里从哪里到哪里是宾语... 英语短文中经常会出现哪些语法问题是句子发生歧义（如在英语中把“试穿橱窗中的裙子”理解为“在橱窗里试穿裙子”,出现了什么语法问题）之类的问题如“I'd like to try on that dress in the wi 英语小问题,问语法They can learn a lot from talking to one another.(another的语法) 一个小小的英语词组方面的问题try to do 和try doing的区别,可以举个例子吗 英语句子语法问题（高一水平）课本中的一句话 They spend half their time dreaming up wayys of getting rich ,and the rest of their time tinking about about all the enjoyable things they would do once they got rich.逗号后面and并 求8下期中的英语的语法 比如 try not to do sth.why not +动词原形 等等不是期中 也行 选的那种谢谢 分析以下两个句子的语法结构1.Do what you say you'll do?2.They're donging what they fully believe they were put here to do.这里的what是作为什么成分,引导的是什么从句?