I don't know what these words are, but is there a certain order you put them in? E.g., which is correct: I took off my coat. I took my coat off. I wanted to try out that method. I wanted to try that method out. Are they prepositions and this is that thing about not ending a sentence with them? If so... am I right that it's one of those rules that isn't really a rule but a lot of people think it is?