1A 部分翻译
We use the conjunctions be fore, a fter, when and while to introduce time clauses. They can be placed at the beginning or in the middle of sentences.
我们用连词before，after，when和while引导时间状语从句。它们可以被放在句子的开头或中间。
Be fore means earlier than a certain time.
Before的意思是比确定的时间早一些。
He remained there for about a year before the NBA took notice of him.
在NBA注意到他之前，他在那里待了大约一年。
A fter means later than a certain time.
After的意思是比确定的时间晚一些。
After he graduated,he was forced to play in another basketball league.
在他毕业后，他被迫在另一个篮球社团打球。
When means at or during a certain time.
When的意思是在一段确定的时间或期间。
When he finally got the chance,he scored 20 points in his first game.
当他最后得到机会时，他在他的首场比赛中得了20分。
While means during a certain time.
While的意思是在一段确定的时间内。
While (he was)attending junior high,Spud tried out for the school team.
当他上高中时，斯巴德参加了校队的选拔。
One of David's days
David is writing in his diary about one of his days. Help him combine his sentences using be fore, after, when or while.
戴维正在他的日记里写关于他的一天。帮他用before，after，when或while组成句子。
1 I go jogging every morning. Then I have breakfast.
1我每天早晨慢跑。然后我吃早饭。
2 I practised playing basketball for hours. I felt tired out.
2我练习了好几个小时打篮球。我感觉筋疲力尽。
3 I met Peter.I was waiting at the bus stop.
3我遇见了彼得。我正在公交车站等车。
4 I was watching TV. I received a call from my uncle.
4我正在看电视。我接到了我叔叔的电话。
5 I was ready to go to bed. My father came back from work.
5我准备上床睡觉。我爸爸下班回家了。
小编推荐：
译林版九年级上册英语Unit3 Grammar A1部分课文翻译译林版九年级上册英语Unit2 Grammar B3部分课文翻译译林版九年级上册英语Unit1 Grammar B部分课文翻译
