The boys caused much trouble in the house.
You're in big trouble!
Example sentence - He knew there would be trouble when he caught a glimpse of the man hiding in the shadows.
She knew she was in trouble when she saw the red and blue flashing lights behind her car.
To summarize my findings, we're in trouble.
I lament the fact that you are having trouble using this word.
I often have trouble affording my rent
The trouble is that we always moan about the weather.
It is preferable to follow the rules and not get in trouble.
John's pyromania caused him alot of trouble
I was inarticulate because I got in trouble in high school.
You'll is a contraction for "you will." For example, "You'll love this movie" is a sentence where you'll is used correctly.
She tried to blame her mistake on someone else, but it was clear that she was at fault.