No. You can never end a sentence with a preposition. Prepositions relate to place and/or time, examples being words like "at", "on", "in", "under", "during", "with", "while", etc.
Not if it is to be a proper sentence.
Typically it's not grammatically correct to do so. It depends on the context of what you are writing though.
It is not proper grammar to end a question with another question. A question should end with a question mark, not another question.
No it would be more appropriate to use a period.
You can end a sentence with a period.Hey, end it with an exclamation mark!What was the question?
The use of Proper needs to be defined in this usage for this question to make sense.
Probably about as many as use neither proper spelling nor proper grammar! Your question should say 'How many people out of 10 do not use proper punctuation?'
Proper use of hand tools is essential to safety. Other than that your question lacks specifics.
well, no. wikianswers wont let you publish your question without a ? at the end. Also, when texting, you may do something like this... What?! or What!? but not with proper grammer.
Yes, it is correct. In some books, authors use questions but end it as a statement, to show that the character wasn't referring to anyone or for other reasons..
The proper spelling of the word mentioned in this question is guarantee. It is pretty much spelled in the way that it sounds with an additional e at the end.
Putting a question mark at the end of a phrase does not make it a question. If you have a proper question, please try and present it as one. Otherwise, my answer is "yes, they can exist".