There I saw a stampede of cows coming my way.
I saw a latent finger print after dusting for it.
I went to the park and i saw fishes in the river
I saw a bunch of ambulances going down the road today.
I saw a shadowy figure lurking in the alley last night.
My pa saw a deer in the back yard and told me to hurry and get my ruffle.
an comes before a word that starts with a vowel. e.g. i went to the zoo and saw AN elephant I ate AN apple
He saw the word only materially because of his rich nature. This is a sentence using the word materially.
I saw a firearm.
"In India we saw a lot of cantonments"
I saw mommy kissing Santa Claus.
You are very observant; I saw you looking at that bird.