Yes you can :)
example:
Over the mountain, you will see a river.
"and" can be at the start of a sentence....as in "my brother has things all over his bedroom floor. And in the kitchen"
Yes, you can start a sentence with "By" By, the time I waited in line two hours for my ticket, the show was over.
ANSWER: YesExample Sentence: Before you start to work; please look over the instructions carefully.
It is allowed to start a sentence with a preposition. One such sentence might be: "Over the clouds flew the airplane, and no one saw it at all from below."
I think its just cause its over-heating...
No, you cannot start a sentence with "no" unless you need to do so. No reason exists not to start a sentence with that word, as you can see. No one will care if you do start a sentence with it.
Yes, but it would have to be quoted. ex. "At which time should I come over?"
Yes, I can start a sentence with "Is."
it depends on how you use the sentence for example: you will develop health problems is the way you should use it but if your saying you over there put on that shirt that is wrong not quite. you can say "You over there! Put your shirt on!"
Yes, you can start a sentence with a verb.
Yes, you can start a sentence with an acronym.
You can start a sentence with "Also"