Hers in a sentence:
That's not yours, it's hers.
That blanket is hers.
That coat is hers.
get the picture?
It's used when something belongs to a female usually.
That is her coat.
I've seen her before.
If you said "use coincidence in a sentence" you already know how to use it in a sentence and are probably getting examples. if you said" how do you use coincidence in a sentence" you most-likely don't know the definition of it.
scientific
Sample Sentence: The magician put his audience into a trance.
I would have answered nonetheless.
A cure for diseases would be a remarkable discovery.
How would you use theory in a sentence
I would use it correctly in a sentence, of course. Thank you for asking.
Jarry use paroxysm in a sentence.\
Would not that be "Would not that be?"?
reassuring sentence
elan in a sentence
How would you like me to put that in a sentence?
please use halcyon in your sentence children.
How can you use the word infectious in a sentence
I can answer it for you.
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.
The dweller in the dark forest rarely ventured out into the open fields.