Lesson 3

一，当 … 时候 when
1.当我来到图书馆的时候，别人已经把我要的书借走了。
2.当我看电影的时候，我喜欢吃 爆米花。

二，为了for the purpose of; in order to
“为了“introduces the purpose or goal of an action. It can appear at the beginning of a sentence, but when it follows “是”，it appears in the second part of the sentence.
1.为了早一点睡觉，我很快做完功课。
2.为了买水果，我开车去商店。

三，只要 。。。就 if only; as long as; provided that
“只要”introduces the necessary condition that brings about a result. It is used in conjunction with “就”，which occurs after the subject (if there is one) in the second clause.
1.我只要人帮我做这一个问题，自己就可以做其它的了。
2.只要每天练习钢琴，你就会进步很多。

四，不管 。。。都 no matter what/how/who
“不管 。。。都”indicates that no matter what happens, the result of a situation will not change. “无论”can replace “不管”here, but it is mostly used in written Chinese, whereas “不管”usually occurs in the spoken language.
1.不管穿什么衣服你都很漂亮。
2.不管做哪种运动都对身体好。

五，并且 and; moreover; furthermore
“并且”indicates two actions occur in a sequence or introduce a progression meaning in second sentence
 1.今天的功课是要读两本书，并且也要写三篇文章。
 2.他要我给他一百元，并且也要我给他买一辆车。

六，连起来 connect; link (together)
1.胶水可以把纸连起来。
2.那两个磁铁自己连起来了。