... Snow》"Maybe we'll never go skiing again, Nick, " George said."We've got to, " said Nick. "It isn't worth while if you
can't."while和if都能引导条件状语从句吧，为什么此处能两词连用？另外请问此处的It isn't worth指的是什么东西不worth了？中文版翻译为“...
看到一篇科普小文章中有一句话，if you live in a cold climate，you may have actually seen something like this happen with
compacted foodprints in the snow.汉语字幕是，如果你生活在寒冷气候中，你可能真的看到过像这样的事情发生，雪地中有压实的脚...
...例时，可放在举的词语之前或之后，比如： Many people want to live big cities, for example Jim. 很多人都想住在大城市，比如吉姆就是一例。 You make too many mistakes—lots of spelling mistakes, for example. 你的错误太多——比如，有好多拼法错...
...the left, as befits the work of right-handed artists, who generally prefer to have the light source on the left so that the shadow of their hand does not fall on the tip of the engraving tool or brush.“as befits the work of right-handed artists”是非限定性定语从句吗？这句话算是插...
But then I remenbered how my studies had been concentrated on geography, history, artimetic, and grammar, and I told the little chap that I did not know how to draw.请问老师how my studies, 此处how作什么成份，能换成that吗？
Now he regrets not having gone to university .
… Mr. Smith regretted blaming his secretary for the mistake, for he later discovered it was his own fault. 按道理说都是在谓语动词之前发生的事啊？也什么不都用having done或者都用doing?
...zed families taking their first post-pandemic vacation."It
just feels good to be out doing staff again."老师，关于3个doing的语法分析，soaring是宾补吧？taking是现在分词作families的定语，doing
stuff 是现在分词feels的伴随状语吗？
Elizabeth
was watchful enough to see it all, but she could see it and write of it without
material pain. Her heart had been but slightly touched, and
her vanity was satisfied with believing that she would have been his only
choice, had fortune permitted it.老师，had
fortune permitted it - 这里...
...es and less so with the structural differences that seem, at first glance, to constitute such an immense gulf between them.以前一直知道so可以替代宾语，但这句话中明显是替代主谓了，这是什么替代规则？less so =I have been increasingly less impressed的省略形式