check your grammar first, then ask and I will answer.
You are so fickle!
i wanted to go park so i can play with my friend
I am writing this sentence so that you can see a proper example. I am mowing lawns so that I can buy a radio controlled helicopter.
The cake was so horrible it was inedible!
Example sentence - Before computer technology became so available and easy to use, a lot of information was stored on microfiche.
transmogrify \trans-MOG-ruh-fy\
Sure, I can use "so" at the beginning of a sentence.
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
'Bisters' is not a word, so I can't use it in a proper sentence.
"Can you use cruel in a sentence?" is a sentence, so yes, unless you mean something else?
Sentence: The cost of living in 2008 for France was so and so...
You are so impressionable.
You are so fickle!
I think you just used 'highland' in a sentence.. So did I.
Yes, you can use so in a sentence. Here are just a few examples: So after a lot of controversy, they finally took her with them. They won the game, so they got the trophy.
Some people believe in aliens. Alien is a noun so use it in a sentence as a person
you will use it in a sentence like this, ex: I'm so filled with fury right now.