请教曹老师:His obsession
with painting began as early as his childhood.as early 是主句的状语，as 是early 的程度状语。同时，as early 是主句的比较项，在主句中作状语；as his childhood 是比较分句省略后的部分，his childhood 是比较分句中的状语。a...
...for 7 days on end.这里的for seven days 可以这么用吗？如果加个定语从句 The golden week is a
national holiday which lasts for 7 days 我懂。但是，按照中文原文，这里的7天，不是一个定语吗？而: for+一段时间，不是强调动词或者状态的持续，是用...
...的？它有哪些类别？比如：有人说when, where, why引导宾语从句时，它们是连接副词。如：I don’t know when he will come.He asked where he was living.Tell me why you are late.同时又有人说 however 在下面句子中也是连接副词：My father, however, did not agre...
... D. by that time但按曹老师所说的还原法来分析，把从句还原成并列句：第一种按副词来解释during then= during the time that they stayed with me= during when,如何转换出来的= during which time呢？第二种按介词短语来解释（这个不是曹老师...
情态动词用在目的状语从句中，举些例子，如下：1. He opened the window so that he might get some fresh air. 2. My father got up so early that he would have enough time to pack. 3. He came in quietly in order that he shouldn’t wake his wife. 请教老师...
...said, 'I don't think the windows need cleaning at this time of the night.' I looked down and nearly fell off the ladder when I saw a policeman. I immediately regretted answering in the way I did, but I said, 'I enjoy...