问题 this humble acknowledgment that的句法结构分析

...y parenting," this humble acknowledgment that kids are healthier when they have a wider range of adults to emulate and count on. Turns out, adults are healthier, too. It's a lot of pressure, trying to be that perfect family behind that white picket fence.

问题 continue to do与continue doing的区别

请教一下各位老师:continue to do和continue doing的区别是什么？什么时候用continue to do和什么时候用continue doing呢？

问题 名词前有first修饰时其后不定式的时态问题

...例如：He was the first man to fly across the Atlantic. 但有一题的设置是：Johnson is said to be the first young teacher _____ to professor in your university this year. 答案：to have been promoted 请问 first 修饰名词时，是否表主动关系时 to do = to have do...

问题 关于曹老师回答《关于within+一段时间用法》的疑惑

...表示某月某日起算。至于回溯则是用before及prior to。期限的算法同样是去头算尾，但是美国有些法院认为要给享受期限利益的人完整的期限，所以头尾往往不成完整的一天，就要去掉。由于 within 既可以用来表示起算点，也可以...

问题 put on 能否与非延续性动词连用

以下put的用法是否正确？为什么？1.This book has been put on the desk for a week.2.Men put on suits when they attend meetings.这里和put是非延续性动词是否有关？如果是错的能否具体解释？

问题 句子成分分析

...rived in the car park, his mind back on his mission.问题：1.逗号后面的短语做什么句子成分（如果是状语，具体是哪类状语）2.为什么用逗号来隔开，相应的规则是什么（此处为什么成分/具体情况，所以需要用逗号隔开）3.其中的back在此处...

问题 honoring含义理解，以及to作为不定式和介词的理解差别辨析？

...rm.示威者移走雕像，包括纪念美国内战中南方联盟领导人的雕像，南卡罗来纳州共和党参议员蒂姆斯科特，他正在起草警察改革方案。请教老师：1）句中honoring是“令人尊敬的”意思吗？2）可否说成With demonstrators having removing sta...

问题 as if...从句前为什么有时加逗号有时不加逗号

1. Why must you do everything as if you have to win？2. He looked tired，as if the argument had taken a lot out of him.请问老师为什么 第二句 as if 前加逗号?

问题 majority作主语时谓语用单数还是复数

问题 为什么用复数seas？

Steadily above them the beacon threw its lifesaving beams across the dark and angry seas.

问题 most作主语时谓语用单数还是复数

问题 no后面接可数名词用单数还是复数

问题 A 谓语 more than twice B是什么意思

...dy exported more than twice their 1990 volumes and imported more than five times their 1990 volumes.请问老师这句话是说的A是B的2倍还是A是B的2倍多还是A超过了B的2倍？A 谓语 more than twice B 中的 more 和 than 是什么词性？这句话中省略了什么补全是什么...

问题 shade over作什么成分

...urther boosting productivity. A 350km/hour bullet train has cut the travel time of the journey to Shanghai from five hours to a shade over one hour, while a deep-water channel is being built along the Yangtze to allow 50,000-tonne ships access to Nanjing from the East China Sea. 新建的基础设...

问题 should have done 的应用

I should ___ Peter with his work, but I had a lot of things to do myself.A. help B. have helped C. helping D. be help这句话为什么要用虚拟？是因为but后面的句子用的是一般过去时？（本人英语初级者，不要介意过于深入）