Mr Thompson is revealed by his Actions as a kind hearted man. Although he had a rough exterior, Joe Thompson, the wheelwright, had a heart, and it was very tender in some places. He liked children, and was pleased to have them come to his shop, where sleds and wagons were made or mended for the village lads free of cost without taking anything from their hoarded six pences.
Sentence 1 is in passive voice
Prepositions are words such as aboard, above, across, after, along, anti, around, as, at, before, beneath, below, behind, beside, by, but, beyond, between, concerning, considering, down, during, except, for, following, like, inside, into, minus, near, off, on, onto, plus, through, to, under, up, upon, with, withought and many more!! in your sentence the prepositions would be on, now, and for that i know of but there could be more!! Hope this helps!!!:)
Literally just write down a summary and annotate its not hard .... this is pure laziness