The present-participial phrase "riding a horse" is an adjective, modifying sheriff.
Usually only when they begin the sentence. He stepped on a branch while he was walking across the yard (no comma). While he was walking across the yard, he stepped on a branch (comma)
Palms sweating and his face red, speaker stepped up to the podium with his speech.
Defensely isn't a word. If you meant Defensively, here's one:He stepped in front of her defensively as the man pulled out a gun.
Drill a hole into the top of a fir tree twig to create the trunk. He lost his balance when he stepped on a twig on the sidewalk.
Yes, stepped is a verb. It's the past tense of step.
Usually only when they begin the sentence. He stepped on a branch while he was walking across the yard (no comma). While he was walking across the yard, he stepped on a branch (comma)
you spell it like this Stepped. If you wanted to use it in a sentence then you could use it like this: I stepped up on the ladder.
I stepped in a big puddle on the sidewalk.
Yes. Forward is an adverb modifying the verb "stepped."
Example sentence - The bug was dead as a doornail after he stepped on it.
i stepped on the baby octopus
It is not a full sentence. It doesn't have a subject or verb. You would probably call it a prepositional phrase. They stepped into a world of unimagined complexity and beauty. ( subject = they, verb = stepped)
His shoes were a mess after he stepped in the mud. She won the race after she stepped up her pace. He stepped up to the plate, swung the bat, and hit a home run. She stepped on the gas pedal and sped away. His parents were very proud of him after he stepped up to do the right thing by telling the truth.
i stepped on the jello and the ground started to rumble.
As she stepped on the floorboard it splintered beneath her feet.
Aw!! Gawd! I just stepped in a dunghill!!!!!!!!!
It is possible that men stepped on the moon.