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 ...
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 ...
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. ...