Alternative methods rely on variables that cannot be controlled by airlines, with overbooking, airlines have more control over related parameters.
The grammar problem in this opening sentence is explained in the video below.
Watch the video, and then – in the comments box at the bottom of this post – re-write the opening sentence based on the advice givien in the video!
In this post we’re looking closely at, or eyeing, past perfect tense. In a previous post I showed that past perfect tense is probably not very useful in IELTS writing and speaking. It belongs more to the narrative genre, and in IELTS we don’t write stories!
When I explain this to students and they look at me as though they don’t really believe me, and so we go ahead and look at a story to see how past perfect works. (more…)