【简明语法】19.8 比较while, when, as
时间：2019-01-10 作者：英语课 分类：英文语法词汇
英语课
1）as 1, when 引导短暂性动作的动词。
Just as / Just when / When I stopped my car, a man came 2 up to me.
2）当从句的动作发生于主句动作之前，只能用when 引导这个从句，不可用as 或 while 3。
When you have finished 4 your work, you may have a rest.
3）从句表示"随时间推移"连词能用as，不用when 或while。
As the day went on, the weather got 5 worse 6.
日子一天天过去，天气越变越坏。
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收听单词发音 1
as
conj.按照；如同
参考例句：
He got work in a hotel as a waiter.他在一家旅馆找到了当服务生的工作。
In the hotel,the old men were drinking away as usual.在旅馆里，这些老人和往常一样喝个不停。
2
came
v.动词come的过去式
参考例句：
I was surprised why he came here so early.他为什么那么早到这里，我很惊奇。
The doctor came in time to save his life.医生及时来抢救他的生命。
3
while
conj.当…的时候；而；虽然；尽管 n.一会儿
参考例句：
In a short while,the cat ate up the fish.不久，那只猫便将鱼吃个精光。
He teaches English in the school all the while.他一直在这所学校里教英语。
4
finished
adj.完成的，精湛的；v.动词finish的过去式和过去分词
参考例句：
We finished up everything there was on the table. 我们把桌上的东西全吃完了。
We can certainly have the job finished on time.我们肯定能按时完成任务。
5
got
v.(get的过去式)得到，猜到，明白
参考例句：
I just got some bad news.我刚得到一些坏消息。
I have got far too much work to do.我要做的事太多了。
6
worse
adj.更坏的，更差的；adv.更坏，更差
参考例句：
I have even worse news for you.我有更坏的消息告诉你。
The weather got worse during the day.白天天气更坏了。
conj.按照；如同
- He got work in a hotel as a waiter.他在一家旅馆找到了当服务生的工作。
- In the hotel,the old men were drinking away as usual.在旅馆里，这些老人和往常一样喝个不停。
v.动词come的过去式
- I was surprised why he came here so early.他为什么那么早到这里，我很惊奇。
- The doctor came in time to save his life.医生及时来抢救他的生命。
conj.当…的时候；而；虽然；尽管 n.一会儿
- In a short while,the cat ate up the fish.不久，那只猫便将鱼吃个精光。
- He teaches English in the school all the while.他一直在这所学校里教英语。
adj.完成的，精湛的；v.动词finish的过去式和过去分词
- We finished up everything there was on the table. 我们把桌上的东西全吃完了。
- We can certainly have the job finished on time.我们肯定能按时完成任务。
v.(get的过去式)得到，猜到，明白
- I just got some bad news.我刚得到一些坏消息。
- I have got far too much work to do.我要做的事太多了。