Englishfor English speakers
on
Preposition
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positioned at the upper surface of, touching from above
The apple is on the table.
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at the date of
Tim was born on the 4th of July.
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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.
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touching; hanging from
I have no money on me at the moment.
I would like to eat the fruit on the trees.
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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
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If something is on, it is active, functioning or operating.
The television is on.
The lights are on, so it is very bright.
historical
Adjective
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Historical , events, record, leaders, etc. all relate to things that happened in the distant past.
We tried to look at the problem in its historical context, not just how it is today.
The historical record shows that the country grew dramatically during that period.
ground
Noun
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The ground is what you stand or sit on when you are outside.
I ran out of the house and fell on the ground.
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Ground is terrain; it is the land.
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Ground is earth or soil.
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A ground is the bottom of a body of water.
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The ground for something is the basis or foundation of it.
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The ground for something is the background or context of it.
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A ground is a soccer stadium.
ground
Verb 1
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If you ground a pilot of an airplane, you stop them from flying.
The plane had been grounded because of the blizzard.
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If you ground a circuit of electricity, you connect it with a ground.
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If you ground a child, you take away their privileges, like the phone and the television, and not allow them to go out, usually as a punishment.
ground
Adjective
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If something is ground, it is crushed into small particles.
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If something is ground, it has been prepared through grinding.