Englishfor English speakers
on
Preposition
—
positioned at the upper surface of, touching from above
The apple is on the table.
—
at the date of
Tim was born on the 4th of July.
—
along, forwards (continuing an action)
drive on, rock on
—
about, dealing with the subject of
I have a book on history.
There was a World Summit on the Information Society a few weeks ago.
—
touching; hanging from
I have no money on me at the moment.
I would like to eat the fruit on the trees.
—
because of, due to
He was arrested on suspicion of bribery.
I contacted Joanne on a hunch that she would know about it.
The stock price increased on news of a new product.
on
Adjective
—
If something is on, it is active, functioning or operating.
The television is on.
The lights are on, so it is very bright.
an
Determinative
—
An (or a) is used when the following word could be any of a certain type.
I just ate an apple.
It is indeed an honor to have met you today.
island
Noun
—
An island is a piece of ground that is completely surrounded by water.
The fisherman lived alone on a small island in James Bay.
—
An island of an object, person, or place, is one surrounded by things very different from itself.
An island of peace and silence in a noisy city.