Future Perfect Continuous Tense
Let’s study The Future Perfect Continuous Tense below:
Look at the following example:
Tom will have been studying for two hours by the time his friend arrives.
Event in progress: studying.
WHEN? Before another event in the past.
How long? For two hours
The Future Perfect Continuous Tense
|Subject + WILL / SHALL +HAVE + BEEN + Past participle verb|
1. The future perfect continuous tense emphasizes the duration of an activity that will be in progress before another time or event in the future
- I will go to bed at 10 p.m. Ed will get home at midnight. At midnight I will be sleeping. I will have been sleeping for two hours by the time Ed gets home.
2. Sometimes the future perfect and the future perfect continuous tense have the same meaning. Also, notice that the activity expressed by either of these two tenses may begin in the past.
- When Professor Jones retires next month, he will have taught for 45 years.
- When Professor Jones retires next month, he will have been teaching for 45 years.
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