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最近，许多读者对英语时间的五种表达方式有疑问。有网友整理了相关内容，希望能回答你的疑惑。这个网站也为你找到了关于英语时间表达的五种思维导图问题的答案，希望对你有所帮助。
时间状语从句
时间状语从句在英语中基于某种动作表达的时间，例如：
I will cook dinner when I get home.这里 ‘When I get home’ 是时间状语从句。
本文将讨论时间状语从句的用法。
了解时间状语从句
时间状语从句从表达时间的副词或短语开始，包括when, after, until, as soon as, before等词开头形成一个完整的句子，例如：
- Before the first lesson begins,
- When the sun sets,
- After my teacher arrives,
虽然这些句子有主语和谓语，但它们不是完整的思想，只是表达时间，因此，要有主句与之配合，才能表达完整的句意。看下面两个独立的句子：
- I will master English. I will complete every exercise in my textbook.
这两句话都可以成为时间状语从句，只看时间的前后。
- I will master English after I complete every exercise in my textbook.
- When I master English, I will complete every exercise in my textbook.
时间从句的规则
当我们表达未来时，我们通常使用现在，而其他时态是传统的表达方式。.
- Before we cook pies, we wash our hands.
- He came home after he finished work.
- We had dinner before we watched the movie.
- He will finish reading the book after he eats dinner. (Not after he will eat dinner.)
- They are going to the museum before we arrive. (Not before we are going to arrive.)
- I might practice my pronunciation until my friend’s lesson has finished. (Not until my friend’s lesson will have finished.)
- She will meet me after it stops raining. (Not after it will stop raining.)
- I’ll turn off my computer when he does. (Not when he will.)
- The meeting will begin as soon as everyone arrives.
- We’ll go out for dinner after the meeting is over.
- I am going to review the file before I meet with the new client.
时间从句的连词
用By the time表示一个动作发生在另一个动作之前：
注意句子中所有主句都要用完，假如从句过去了，主句就是过去完成了，从句一般是现在，主句就是未来完成的时候。
By the time he came home, I had finished my house work.
We will have finished our lunchby the time they arrive.
By the time he finished, I had cooked dinner.
We will have finished our homeworkby the time they arrive.
使用Until//till 表达时间，表示up to that time
I waiteduntil my father finished his office work.
He will wait at the schooltill you come.
We waiteduntil he finished his homework.
I'll waituntil you finish.
用As soon as 一件事跟着另一件事发生，当现在或现子完成时，从句可以使用：
He will tell usas soon as he gets the news.
He will tell usas soon as he has got the news.
He will let us knowas soon as he decides(or as soon as he has decided).
As soon as I hear from Tom,I will give you a telephone call.
用When连接时间状语从句：
- He was talking on the phonewhen I arrived.
- When she called, he had already eaten lunch.
- I washed the disheswhen my daughter fell asleep.
- We'll go to lunchwhen you come to visit.
用Before引导时间状语从句:
用before来表达过去的动作，一般过去可以使用主句和从句，虽然一个是一般过去，另一个是过去完成时。
Shehad stayedin her room for two daysbeforeshe finally emerged.
Shestayedin her room for two daysbeforeshe finally emerged.
- We will finishbefore he arrives.
- She (had) leftbefore I telephoned.
用After引导时间状语从句
用after表达过去的动作，主句和从句都可以用一般的过去，虽然也可以用一般的过去，另一个是过去完成的时候
Rick’s daughterlockedherself in her roomafterhehad groundedher.
Rick’s daughterlockedherself in her roomafterhegroundedher.
- We will finishafter he comes.
- She ateafter I (had) left.
使用While， as引导时间状语从句，过去使用从句时:
- She began cookingwhile I was finishing my homework.
- As I was finishing my homework, she began cooking.
- He finished dinnerwhile I was doing my homework
- As I was doing my homework, he finished dinner
从某个时刻开始，用Since表达：
用since开头做时间从句时，动词可以用现在完成的时候或者一般过去的时候，这取决于动作的顺序：
Rick hasn’t spoken to Emilysince he grounded her last week.
Emily hasn’t spoken to her friendssince she’s been grounded.
- I have played tennis since I was a young boy.
- They have worked here since 1987.
使用Whenever， every time连接时间从句：
- Whenever he comes, we go to have lunch at "Dick's".
- We take a hikeevery time he visits.
用The first, second, third, fourth, 及 next, last time开头：
- The first timeI went to New York, I was intimidated by the city.
- I saw Jackthe last timeI went to San Francisco.
- The second timeI played tennis, I began to have fun.
Exercise
将下面的每组句子组成一个包含时间状语从句的复合句，可以使用时间副词，如：when, after, before, unless, until, as soon as等，第一句已经为你做好了。
- I will read this book. I will eat dinner.
- I will read this book after I eat dinner.
- He will get wet. He is going swimming.
- We are meeting the team. The team is arriving at the station.
- I got to work late. I got up late.
- The police will catch the criminal. The criminal will make a mistake.
- They are going on holiday. They are finishing their exams.
Suggested Answers
- He will get wet when he goes swimming.
- We will meet the team when they arrive at the station.
- I got to work late after I got up late.
- The police will catch the criminal when he makes a mistake.
- They are going on holiday after they finish their exams.
