句型6
as, though, although引导的让步状语从句。
[注意]although位于句首;though位于句首或句中;as位于句中=though。它的词序是把句中强调的形容词、副词、动词或名词放在连词前。[参考倒装结构] 请注意下列句式的变化：
[例句]
1. although/though i'm young, i already know what career i want to follow.
→young as/though i am, i already know what career i want to follow.
我虽然年轻，但我已经明白我应该追随什么样的事业。
2. although/though i respect him very much, i cannot agree with his idea.
→much as/though i respect him, i cannot agree with his idea. 虽然我很尊重他，但是我不同意他的观点。
3. although/though he is a child, he knows a lot of chinese characters.
→child(省略冠词)as/though he is, he knows a lot of chinese characters. 他虽然还是个孩子，却认识了许多汉字。
4. although he tried, he couldn't solve the problem.
→try as he might, he couldn't solve the problem. 尽管他努力了，但是他没有解决问题。
5. although it is raining, i'm going out for a walk.
→raining as it is, i'm going out for a walk. 天虽然在下雨，我还是要出去散步。
6. strange as it may seem, nobody was injured in the accident. 这次意外虽然显得不可思议，却没有人受伤。
7. much as i would like to help, i have a lot to do. 虽然我很想帮助你，但是我有很多事要做。
8. object as you may, i will go. 纵使你反对，我也要去。
句型7
…before…特殊用法(1)"没来得及……就……"
[例句]
the roof fell before he had time to dash into the room to save his baby.
他还没有来得及冲进房间救孩子，房顶就塌了。
he ran off before i could stop him. 我还没有来得及阻止，他已经跑了。
to my great disappointment, my favorite singer left the concert before i could have a word with her.
让我非常失望的是，我还没有来得及和我最喜欢的歌手打招呼，她就已经离开了。
句型8
…before…特殊用法(2)"过了多久才……"或"动作进行到什么程度才……"
[例句]
they walked about fifty miles to the west before they saw a village.
他们西行50英里才看到一个村庄。
the workers worked day and night about three days before everything returned to normal.
工人们连续工作3天才使一切恢复正常。
he almost knocked me down before he knew it.
他几乎撞到我了才意识到。
we had walked a long way before we found some water.
我们走了很长的路才找到一点水。
five years went by before i knew it. 不知不觉，五年过去了。
句型9
it was + 时间段+before…."过了多久才(怎么样)……"
it was not long before…."不久，就……"
it will (not) be +时间段+before…."要过多久(不久)……才……"(before从句谓语动词要用一般时态)
[例句]
it was not long before he sensed the danger of the position.不久他就意识到他处境的危险。
it was five days before he came back. 五天后他才回来。
it will be half a year before you graduate from the school. 再过半年你才能毕业。
it will not be long before they understand each other. 他们大概不久就会互相了解。
句型10
in case of…(+n.) "以防;万一";
in case that…"以防，万一……"(谓语动词用一般现在时态或should+动词原形)
[例句]
in case of fire, what should we do?
please remind me about it in case i forget/should forget. 万一我忘了，请提醒我。
in case (that) john comes/should come, please tell him to wait.
please take your umbrella in case (that it rains/should rain).带上雨伞，以防下雨。