Properly is an adverb. Here's an example:
My mother told me to tie my shoe laces properly.
An aggregated sentence is one that is a cluster of words. It does not make sense and it is not formed properly.
Please make sure that your horse is properly hobbled.
Blood can make a very stubbron stain on fabrics if not washed properly.
Tiarra speak very properly.
They properly declined to discuss the matter with the reporter. He properly ordered the wines by their age.
Joey could not properly steer his sled causing in to hit a tree and break a runner.
To make sure you're healing properly, about 2 weeks after the surgery, you'll come in for a postoperative appointment.
The preposition that would be most correct in this sentence would be "of". However, "from" could also be used as well.
That question was properly written in the context of grammar and spelling.
The barn fell down because it was not properly erected.
Using a gerund at the beginning of a sentence is perfectly acceptable.
One uses the thermostat to ADJUST the temprature of your central heating. you should adjust your head and make sure its on properly