Stop me if you've heard this one, but isn't #3 correct either way depending on whether you are speaking American or British English? The British would use "to" I think. Americans would use "from".

But that depends on how onetest wants the sentence interpreted.

There is another possibility: "(As) For me, it takes a long time to do this." Implying that YOU might not take so long to do this.

The phrase is spoken by the person doing the finding after they have finished counting: "Here I come, ready or not!"

"They were playing carefully because they could have lost the match." The verb tense needs to agree with the rest of the sentence. Otherwise, there is nothing wrong with using "could" (but it should be "could have lost" so it matches the past

I think the first case is just a simple mistake that is ignored because it is a convenient way to speak. People are "master's degree students". People are not "master's students" (implying that they belong to "master"). The word "degree" is just

When you're writing with quotation from people, the rules often bend. This is so that real speech patterns can be faithfully reproduced for the reader. Often it is important to the writer that the reader get a certain feel about a character. In