congent

complex

continue

hard

One of the boys blind

One of the boys are blind

One of the boys is blind

Only one boy is blind

The oranges contain vitamin C

Oranges contain vitamin C

A few oranges contain vitamin C

Few oranges contain vitamin C

would

will have

had

would have

either

both

neither

any

Yet

Unless

Though

However

He need to say something about the matter

He needs say something about the matter

He need not say something about the matter

He need not to say something about the matter

on

in

at

upon

need not

dare

could

would rather

Russian poet

American poet

British poet

Korean poet