although（不能与but连用）conj.
宝宝吃饭
1.虽然;尽管
Although he was ill, he worked hard.
他虽然生病,但仍努力工作。
2.然而
I did not know that then, although I learned it later.
当时我不知道那件事,但我后来知道了。电影铁人
butconj.
1.但是
It is hot in summer here, but it is not cold in winter.
这里夏天热,但冬天不冷。
2.(通常用)而是狡猾的动物
阶段性总结
Our purpo is not to do it for you but to teach you to do it by yourlf.
我们的目的不是替你做这事,而是教会你自己来做。
3.可是,然而
She looks very young, but she is already in her 30“s.
比赛时间
她看上去很年青,可是她已三十多岁了。
soconj.因此，所以，以便
It was snowing, and so I could not go out.
天在下雪，所以我无法外出。
暴风城传家宝so that（so that是“以便”，so······that是“如此······以至于）
军训结尾Bring it nearer so that I may e it better．
公休假是什么意思
拿近一些，好让我看得更清晰些。
He is so kind that he is often learned.
他是如此良善以至于经常被学习。
becau（不能与so连用）conj.因为
He is abnt becau he is ill.
他因病缺席。
