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What is the difference between "I used to" and "I'm used to" and when to use each of them? Here, I have read the following example: I used to do something: "I used to drink green tea." "I used to drink green tea", means that in the past I drank green tea, but now I don't. Used to describes an action that did happen, but doesn't happen now. Here is a question that has been nagging me for a few years: Which is the right usage: "Didn't used to" or "didn't use to?" Examples: We lived on the coast for years but we didn't use to go to the differences - Didn't used to or didn't use to? - English Language ... I am trying to find out if this question is correct. Did Wang Bo used to be awkward? Should I write "use to be" instead of "used to be," or is "used to be" correct in this sentence? If "used to" is a set idiomatic phrase (i.e. not a tense), then why would it change its form from "use to" to "used to" for the sentence as it does in the positive?

When is "some" used as plural and when is it used as singular? There's so many people in here! There's so much people here! Which one should be used, and why? I have used cocaine. I took cocaine at least once sometime in the past. I was using cocaine. In the past, I was a habitual user of cocaine. EDIT: As the comment says, this can also mean a process in the past, e.g. "I was using cocaine when the accident happened" can mean "I was not looking at the road since I was snorting cocaine." I have been using cocaine. Starting some time in the past, and ... 'I was using', 'I have used', 'I have been using', 'I had used' - what ...