It was the best of times, it was the worst of times
Yes, it has two opposites next to each other and the sentence is parallel.
The puppy happily bounded across the grassy field.
Yes, the words chosen add an energetic and happy feeling.
Ask not what your country can do for you—ask what you can do for your country.
Yes, the grammar of the two parts match and the subject and object flip, showing opposing ideas.
He slammed the door and stormed down the hallway.
Yes, the words chosen strongly communicate anger.
There was a deafening silence in the room.
No, "deafening silence" is a two word phrase while antithesis compares two broader ideas across a sentence.
The rain fell from the sky.
No, the words are straightforward and literal to their meaning.
I hate waking up early, but watching the sunrise is beautiful.
No, while it does compare two contrasting feelings, the grammar flow changes and doesn't mirror each other.
The child ate his dinner quickly.
No, the words just show a basic action and not any other mood.
You either die a hero, or live long enough to see yourself become the villain.
Yes, it has good gramatical balance and compares being a hero to being a villain.
The soldier trudged through the muddy battlefield.
Yes, the word "trudged" shows exhaustion and adds to a more serious tone.