Once home, Olivia carefully bound the squirrel's leg so it could heal and got him milk from the ice box.请问老师：1 Once home，原句是Once she is home，省略she is，对吗？ home在be后面是副词作表语吗？2 once是表示时间的从属连词，引导状语从句吗？
...推测时，其后只能接状态动词，如 be, have, know 等。如：The church must be somewhere around. 那教堂一定在附近。I get tired easily: I must be out of shape. 我动不动就感到疲倦，一定是病了。The temperature must be above 38 today. 今天的气温肯定...
be going to go和be going to come有错吗-动词时态-英语答疑网http://ask.yygrammar.com/app_q-24208.html#myPopover 我想问一下，其他的表示位置移动的词，如，leave ,move, fly也这样吗？还是只针对come 和go两个动词而言的？
...表示的是状态的延续，比如，she didn’t go to bed until her mother came back，这里的go本来是短暂性动词，但是not go就表示一种没有去睡觉的状态。这样的结论似乎有一定道理，但我总感觉这不够全面和准确。比如一个反例，he broke the wi...
In arid regions, the water tables remain at a constant level far below the surface, preventing stream-beds from filling up even during wet years.后半句表示防止河床被充满还是不被充满？
Most core measurement analyses done on shales are currently performed with a crushed rock sample following the procedure established inthe GRI (Gas Research Institute) study on shales .这句话中following 后接了从句，但网上搜不到相关解释，请老师解答。
They didn't win by chance but rather because they performed better than
the other team inthe last minute. by chance是介词词组，后面是because引导的原因状语分句，两个不同的语法结构怎么能并列呢？请问一定要相同的语法结构才能并列吗？
...作中的一句话：She can also tell stories, so she often performs inthe school shows.这里的shows用了复数形式，是否可以理解成学校多次，各种的shows?我认为用单数形式the school show也可以，理解为学校特定时间的一次show.请专家老师帮我分析，...
...乎以下五大结构。
1. 以不定式为框架
①be to do
e.g. That day is to come. 那一天一定会到来的。
②do to do
e.g. Do you want
to go? 你想去吗？
③do sb/sth to do
e.g. He told
you to get up. 他叫你起床。
口诀：be to do, do to do,
...
...一个问题是关于irresponsible 的用法：It is irresponsible of sb to do sthIt is irresponsible for sb to do sth参见：http://ask.yygrammar.com/q-26640.html我想请问一下，如果是 responsible 呢？怎么用？It is responsible of sb to do sthIt is responsible for sb to do sth我在...