a perfective tense used to describe action that will be completed in the future; "`I will have finished'' is an example of the future perfect" 同义词：future perfect tense,
The future perfect is a verb form or construction used to describe an event that is expected or planned to happen before a time of reference in the future, such as will have finished in the English sentence "I will have finished by tomorrow." It is a grammatical combination of the future tense, or other marking of future time, and the perfect, a grammatical aspect that views an event as prior and completed.
例句与用法
1.
Past future perfect tense 过去将来完成时
2.
Future perfect tense 将来完成时
3.
Notice that except for the first person singular , the above verb forms look exactly the the future perfect indicative . so be careful 注意：除了第一人称单数以外，其他的动词形式看起来就像直说语气的未来完成式一样；因此要多留心。
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