Radical can mean many things.
Slangly- That's radical bro.. can mean somethings really cool
It can also mean Portugese radicals.
Also maybe some kind of mathematical reference to a type of number. Like that jawn with an exclamation point next to the number
Or elements in the air.
He radically did a quintuple kick-flip on his skateboard.
i do not know how to use embalming in a sentence. (there is the sentence)
Radically changed
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.
How do you use sedition in a sentence
use contingency in a sentence?
use adainty as sentence
use aver in a sentence
Can you use abstemious in a sentence?
use ize in sentence
This is how you use mound in a sentence
enjoin use in sentence