Englishfor English speakers
touch
Verb
—
If you touch something, you feel it with your hand.
Don't touch the oven -- it's hot and you will get a burn.
—
If you touch something, you move so near to it that there is no space between you and it.
at
Preposition
—
Used to describe where something is, or when saying something's position
I am at home.
Let's meet at the pub!
—
The time at which something happened or will happen
Breakfast is at 9 o'clock.
At 5pm we went home.
—
Indicating something's state
At half price!
Water boils at high temperatures.
at
Symbol
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The @ symbol, used to replace at
support@microsoft.com is an email address.
Apples @ £1.50 per kilogram.
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
port
Noun
—
A port is a place for ships to stop to trade or refuel.
The port was bombed by the Japanese during World War II.