FUTURE PERFECT PROGRESSIVE

FUTURE PERFECT PROGRESSIVE

1. USE

   • Future perfect continuous has two different forms: "will have been doing " and "be going to have been doing." Unlike simple future forms, future perfect continuous forms are usually interchangeable.

2. FORM

   • [will have been + present participle]

3. EXAMPLES

   • You will have been waiting for more than two hours when her plane finally arrives.
   • You are going to have been waiting for more than two hours when her plane finally arrives.

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