Example: all though he is short he is a good basket ball player
Even though I am smart, I do not know everything.
Our teacher gives out homework assignments as though they are a sentence.
Use a comma when you hear a pause in the sentence for a natural break, though short, between word groups within the sentence.
Though I do not like cooking very much, I love to eat.
Yep. There's no problem with using 'an' anywhere you want to. You shouldn't use and at the start of a sentence, though.
Example sentence - He purchased the table saw even though it was non-returnable.
He spoke tolerantly with her even though she cheated on him.
Though she did not like the command, she was inferior to him and had to oblique.
Example sentence - It is quite feasible for it to rain today even though rain is not in the forecast.
Robots are cool. There I used it in a sentence, even though I don't think robots are cool.
Though our backpacks were small, we had ample food for the hike.
Even though I had already eaten, I couldn't resist the offer of a piece of cake.