"on a grass" is a correct and usable phrase in written English.
You could use it in a sentence such as, "The children were lying on a grassy hill, watching the clouds pass by."
The page features cars parked on zebra crossings, blocking pavements, and one parked on a grass verge, half embedded in a hedge.
"But every time I play on a grass court, I feel it's a perfect one".
Ashe thrives on a grass court.
We are playing on a grass court.
Ashe: "I had never tried it on a grass court".
He will also run on a grass field.
Early in her career, Roberts embarked on a grass-roots promotion tour.
Relying on a grass-roots community for subjective judgments does have drawbacks.
The whole is on a grass-green background: everything about the image breathes spring.
"It'll be something we present both on a grass-roots level and a lobby level," she says.
"We plan a mixture of traditional and nontraditional, with an emphasis on a grass-roots, under-the-radar approach".
