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问题 spend+宾语+过去分词

北师大新版课本（必修一）有这样一个句子：Some spent the dinner bent over their phones, texting friends online but ignoring the ones who sat right in front of them.想问下这里为什么是bent而不是bending? spend后常接doing的。

问题 关于比较从句中as的成份

Leaf blowers still roar there too, as do planes overhead 老师们好，我想问下as作为比较替代词，在这替代的是什么？是某种程度的still么？

问题 that的用法

It is human,perhaps,to appreciate little that which we have and to long for that which we have not.这句话中首先可以确定to do是真正的主语，但是that和which we have 不是很重复吗，直接用which we have从句作为appreciate的宾语不可以吗

问题 of things 放在句首的用法

of things you need to do？这里的of things和后面的句子是什么结构呢

问题 three runs in是什么意思

I will do my full run like three runs in because…请教各位老师：在这里three runs in是什么意思？

问题 will用作情态动词和表示将来时态的区别

如何辨别 will do 中的 will 是作情态用法还是表将来时态？

问题 as required 的完整形式是什么

Do exercise as often as required.请问这里的 as required 是由什么省略来的？它的完整形式是什么？谢谢！

问题 for often 的用法

Have you ever been sad because of failure? Please remember, for often, achieving what you set out to do is not the most important thing.请问，for这里属于什么用法，该用法除了often可否用其他词。谢谢!

问题 that指代用法

You must have been around fifteen years old. Do youfeel different from that when you were nine.请问句子中that用法，是不是类似于I hate it when people talk when their mouth full中it的用法？如果是的话，类似用法除了it和that，还有没有其他的？

问题 不可数名词能接例子吗

It will do much good to people, such as comsuming superfluous fat and delaying human body aging. 这句话good是不可数名词，能接例子吗？

问题 would在这是什么意思呢

You can do it as easily as you would book a hotel or rent a car.BEC高级改错的一句话，这句没错，我去掉了would，那么would留在这里是什么意思呢？

问题 连接词的选择

Lily ，how to keep ourselves safe from the novel coronavirus? All ____ we can do for the movement is to wear masks, wash hands frequently and exercise regularly. 选项有what that how,答案是that，为什么不能选what？

问题 of all that 分析

Now，Let’s do a quick review of all that we learned today.前半部我还能看得懂就是到了of all that 就看不懂了能帮忙分析一下吗？谢谢老师!

问题 这里怎么理解not so as

老师Teenagers today do not have so many social activities as they did in the past.这句话怎么理解呢？

问题 ashamed与shameful的区别

ashamed与shameful有何区别。比如下面一句，该填ashamed还是shameful?Cynthia is not __________ of what she does, even if she ends up doing something wrong.