auâ¢thorâ¢iâ¢taâ¢tive. 1. having the weight of authority; official. 2. substantiated or supported by evidence and accepted by most authorities in a field: the authoritative edition. 3. having an air of or exercising authority; peremptory; dictatorial.
By the time you read this, he may have made his decision. I think that comment might have offended some people. If the event or situation referred to did not in fact occur, it's better to use might have : The draw against Italy might have been a turning point, but it didn't turn out like that.y the time you read this, he may have made his decision. I think that comment might have offended some people. If the event or situation referred to did not in fact occur, it's better to use might have : The draw against Italy might have been a turning point, but it didn't turn out like that.
For example, if you say that something is in your mind, you mean that you are thinking about it, and if you say that something is at the back of your mind, you mean that you are aware of it, although you are not thinking about it very much.