将来完成时（Future Perfect）
将来完成时描述在未来某个特定时刻或事件之前将被完成的动作。它从未来的一个点向后看，以显示某事将已经完成。
将来完成时由will have + 过去分词构成。所有主语（I, you, he, she, it, we, they）都使用相同的形式。
构成
肯定句
用will have + 过去分词构成将来完成时。缩写形式（'ll）在口语英语中很常见。
| 完整形式 | 缩写形式 |
|---|---|
| I will have finished my homework by 7pm | I'll have finished my homework by 7pm |
| You will have travelled to France by next year | You'll have travelled to France by next year |
| He will have cooked dinner by the time we arrive | He'll have cooked dinner by the time we arrive |
| She will have cleaned the house before the guests come | She'll have cleaned the house before the guests come |
| It will have stopped raining by noon | It'll have stopped raining by noon |
| We will have watched the film by 9pm | We'll have watched the film by 9pm |
| They will have studied English before the test | They'll have studied English before the test |
否定句
在'will'后加'not'构成否定句。缩写形式'won't'很常见。
| 完整形式 | 缩写形式 |
|---|---|
| I will not have finished my homework by 7pm | I won't have finished my homework by 7pm |
| You will not have travelled to France by next year | You won't have travelled to France by next year |
| He will not have cooked dinner by the time we arrive | He won't have cooked dinner by the time we arrive |
| She will not have cleaned the house before the guests come | She won't have cleaned the house before the guests come |
| It will not have stopped raining by noon | It won't have stopped raining by noon |
| We will not have watched the film by 9pm | We won't have watched the film by 9pm |
| They will not have studied English before the test | They won't have studied English before the test |
是/否问句
将'will'放在主语前构成问句。
例句：
- Will I have finished my homework by 7pm?
- Will you have travelled to France by next year?
- Will he have cooked dinner by the time we arrive?
- Will she have cleaned the house before the guests come?
- Will it have stopped raining by noon?
- Will we have watched the film by 9pm?
- Will they have studied English before the test?
疑问词问句
以疑问词开始，然后使用will + 主语 + have + 过去分词。
例句：
- What will I have done by 7pm?
- Where will you have travelled by next year?
- When will he have cooked dinner?
- Who will she have met before the guests arrive?
- Why will it have stopped raining by noon?
- How will we have watched the film by 9pm?
- What will they have studied before the test?
用法
练习题
Quizzes for this lesson will be available soon. We are currently preparing the question set and will publish it as soon as possible.
Downloadable PDF
PDF versions for this lesson will be available soon. We are currently preparing the materials and will make them accessible as soon as possible.
相关课程
Future Continuous
Learn to describe actions that will be in progress at a specific time in the future.
How to Use Future Simple
Understand when we chose will instead of going to or present tenses.
How to use the future continuous
See how to talk about future background actions using will be + -ing.
Future Perfect Continuous
Learn how to show the duration of actions up to a point in the future.