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Sure, I can use "so" at the beginning of a sentence.
The word "clangor" is a noun. An example of a sentence using the word would be: The clangor of the construction site was beginning to give them a headache.
no
no
In the beginning of the play, the main actor falls down a flight of stairs.
You can do whatever you want Ellipsis is a noun so you can use it at the beginning of a sentence. A ellipsis is often indicated by a set of dots.
Deliberately.
yes
In the beginning, God created the Heavens and the Earth.
It's actually notwithstanding, (and not notwothstanding). Anyway, yes, you can use it at the beginning of a sentence.
so who cares that you need a a sentence begging with so
No you can not because you are making a list and so what the topic is who use what happened the most and trun it into a sentence.