Reduced Adjective Clause

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Reduced adjective clause is the reduction of a full adjective clause. You can reduce an adjective clause when the relative pronoun is the subject of the adjective clause. The result of the reduction is then a phrase. You can do it in two different ways depending on the verb in the adjective clause.

1. If the relative pronoun meets “be” as the verb then you can reduce the relative pronoun together with the “be”.Examples:
a. The full adjective clause: People who are not able to swim mus not  jump into the sea.
The reduced form: People not able to swim mus not jump into the sea.
b. The full adjective clause: Finally he got something which was wanted for along time.
The reduced form: Finally he got something wanted for along time.
c. The full adjective clause: The song which was sung by the handsome young singer is very popular in this country.
The reduced form: The song sung by the handsome young singer is very popular in this country.
2. If the relative pronoun meets other verb (not “be”) then you change the verb into –ing form.

Examples:

a. The full adjective clause: The students who study hard will pass the test easily.
The reduced form: The students studying hard will pass the test easily.

b. The full adjective clause: The cat which runs very fast is mine.
The reduced form: The cat running very fast is mine.

c. The full adjective clause: The pianist who performed amazingly in the concert last night is my friend.
The reduced form: The pianist performing amazingly in the concert last night is my friend.