| Each time you remove a letter from it, it still remains an English word - from nine letters right down to a single letter | In England you have to drive on the left |
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| MUST : obligation is imposed by the speaker | See you See you again See you later So long |
| Anything I can do for you? Enjoy every moment of your precious life HI | HAVE TO: obligation springs from circumstances or external rules |
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| Something has to be done, whether the speaker likes it or not | You must wipe your feet before you enter |
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