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.
man
Noun
—
A man is a male human.
He was a young man with blue eyes.
—
A human being of either sex; a person.
God cares for all races and all man
God made man in his own image
Scientists and biologists think that man and animals evolved over the years, and that man evolved from a "human" species such as "homo erectus" or "neanderthals" and that man first stood up, millions of years ago, but this isn't true
man
Interjection
—
You use man to show your surprise or disappointment.
Oh man, I wanted to do the dishes!
of
Preposition
—
Made using.
It is a house of cards.
vast
Adjective
—
If something is vast, it is very, very big.
Tax rates will go up for the vast majority of the population.
The system wastes vast sums of money.
To do such work takes vast amounts of time and patience.
The army marched over the vast territories of Russia.
We saw vast improvements in their test scores.
Two boats simply wouldn't be able to find each other in these vast oceans.
Indonesia is stretches over a vast number of islands.
They're building a vast network of power lines to transport the electricity.
He has a vast collection of photos.
The building was vast and empty.
The problem is that distances are so vast.
reading
Noun
—
A reading is a spoken performance of something written.
The author was giving a reading of his new book.