There are several meanings, and since you didn't say which one you wanted to use, I will give sentences for some of them.
There are several meanings of this word. Here are some sentences.
It all happened in an instance.
This painting, for instance, is a good example of Water Color art.
Sure ... when trying to illustrate a point or condition. I don't agree. You can follow it on from a semi-colon though.
In one instance of candidate misconduct, campaign funds were used for escort services. The second instance of a student infraction can result in suspension. (not to be confused with the plural noun homophone "instants")
Well basically you can use it in any kind of sentence. For instance, "Jane was very jumpy after she ate a whole lot of candy".
I take exception to your retort. I will make an exception in this instance.
For instance he's smoking a cigarette he's going to die.
for instance, "it was combustible material". This means it was strong material.
You use it to show possession, possession means that, that person(or thing) owns it. For instance, It is the cat's yarn. So therefor, you could use it in a sentence like, That is the athlete's football.
You may use this word for instance- have you thrown out the garbage yet?
You cannot use "crassly"(no such word) in a sentence, you can oly use "crass for instance : "the way that Rita acted was rather crass". In other words, her manner was crass, (meaning boorish or common)
Instance means example. For instance, if students do not do their own homework, they are cheating.