Complex preposition
A preposition which consists of two or three words. Examples are: in spite of, in front of, out of, on top of etc.
Compound
A word constructed by combining two or more existing words. The meaning of a compound word is not always predictable from the meanings of its component parts.
Compound sentence
A sentence which contains two or more main clauses but no subordinate clauses. In a compound sentence the clauses are connected by a conjunction like and, or, but or yet.
Concrete noun
A noun which denotes something which is physical and can be touched. Examples are: dog, plastic, table, tree, boy and mother.
Conjugation
Changing the form of a verb for grammatical purposes. For example, the English verb write may appear as any of write, wrote, written, writes or writing.
Correlative
The correlative is a general term for either a pair of items which work together to connect things in a sentence. The two parts of a correlative are not adjacent. English examples include: both…and, not only…but also, neither…nor, either…or, so…that etc.
Examples:
I would rather be good than successful.
He both smokes and drinks.
He was so weak that he could barely stand.
Countable noun
A noun denoting something that can be counted. Examples are: dog, girl, occasion, birthday, tree, apple, book etc.