1. Lock the door.
2. Lock the door, will you?
3. Will you lock the door?
4. Would you lock the door?
5. Would you lock the door, please?
6. Would like to lock to the door, please?
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Are they all grammatical? Is #2 a polite one? Or can we use #2 between friends? What about other things? Are the rest polite ones?
1 answer
All are grammatically correct, yes. Adding "please" to #s 1-4 will make all of them polite!