Multiple choice

Select the correct option to fill in blank in the following sentence.

Swami __________ his book before his father comes.

  1. had dusted

  2. will have dusted

  3. had been dusting

  4. have been dusting
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

We use the perfective will have when we are looking back from a point in time when something will have happened.

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