2.We will have finished this work by 3 o`clock, and then we will go to the park.
3.We will have passed all the exams by the 20th of June.
4The builders wiil have built this school by the 1st of September.
5. I will have written this lettwr by the time when the secretary comes.
6. The train will have gone by the time when we get to the station.
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