0
votes
2answers
586 views

It will be done at that point in the future vs It will have been done at that point

I am struggling with understanding the difference here: It will be done at that point in the future. It will have been done at point in the future. I know in theory what future perfect tense means ...
3
votes
1answer
290 views

Combining future perfect tenses in a sentence

Which is correct to say? On Valentines Day 2013 the iPhone will have been for sale exactly half as long as the iPod has been for sale. or On Valentines Day 2013 the iPhone will have been for ...
4
votes
3answers
767 views

Future Perfect with the preposition 'since'

I have a question regarding the future perfect tense and which prepositions go with it. Understandably, by, for, and in work very well with the future perfect. By friday, I will have been working ...
3
votes
3answers
793 views

The use of “will” in assumptions

We can use will for both past and future assumptions. But how do we differentiate if it refers to past assurance or future possibility? For example: You will know all about Rachel, of course. ...