Englishfor English speakers
a
Determinative
—
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
—
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.
sucker
—
noun
(= chump)
a person who is gullible and easy to take advantage of
—
noun
a drinker who sucks (as at a nipple or through a straw)
—
noun
a shoot arising from a plant's roots
—
noun
mostly North American freshwater fishes with a thick-lipped mouth for feeding by suction; related to carps
—
noun
an organ specialized for sucking nourishment or for adhering to objects by suction
—
noun
flesh of any of numerous North American food fishes with toothless jaws
—
noun
(= lollipop)
hard candy on a stick
for
Preposition
—
shows that something belongs to something else, or has a specific function
This cake is for you.
This is a net for catching fish.
—
For is used to show the reason for something
He was angry, for he had never been called such terrible names before.
for
Subordinator
—
For introduces a clause with a subject and a to-infinitive
It's not good for you to be too relaxed.
punishment
Noun
—
A punishment is a response to bad actions; it is used to try to stop another bad action.
Punishment is hard to accept.
His punishments were financial and verbal.