当 我们用' used to ' 时, 我们是在说一个过去习惯性的动作或状态, 但这个状态一定是要已经过去的, 或我们已经不再有这个习惯, 才可以用 ' used to' 这个词组. 例子 ' I used to play chess with my friends, but nowadays I play chess with my computer.' 如要用于否定句则多会用 ' never' + 'used to ', 如 ' He never used to smoke, but now he smoke twenty a day. 'be used to ' 与 ' get used to '的意思一致, 可以互换, 它们是指对....已感到习惯，或"习惯于....", to是介词，后面需加名词或动名词, ' be ' 可以是 ' is ', ' am ', ' are ', ' was ', ' were ' 而 'get' 则可转为 'got, ' is getting ', ' will get ' 等以表达这是一个过去, 现在或未来的经验, 如' These are very high heels, but I'm sure you'll get used to them.' 或 ' I wasn't used to living in such a big house and I found it difficult to find my own room at first.'
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