A complement is a word or a phrase which modifies a subject, object, or verb.

Complements come after the verbs and make the sentence complete. The four most important
types of complement are:

Subject Complements

Subject complements follow linking verbs and are adjectives or nouns that rename, define, or describe the subject in some way.

The doctor was a famous pediatrician.
XXX(Pediatrician is a subject complement which renames doctor)

Object Complements

Object complements are nouns or adjectives that follow direct objects and modify or refer to them.

Ellen bought her mother a bracelet embedded with sapphires.
XXX(Bracelet is the direct object and – embedded with sapphires- is the object complement referring to

Verb Complements

Verb complements are the direct or indirect objects of a verb.

My father-in-law bought my wife and me a new house as a wedding present.
XXX(The direct object is house and the indirect object is wife and me)

Adjective Complements

Adjective complements are groups of words that modify adjectives.

Eddy was reluctant to tell his father about his accident.


For more information about complements takes a look at

The Basics of English Grammar


Other links for Complements
XX Types of Complements
XX Complements
XX Subject Complement

An explanation of the different types of complements: subject, verb, adjective and object complements–