Example words :
- (I think/I really think) you need to/must/should ...
- How about ...?
- It is usually a good idea to ...
- My suggestion/advice is (to) ...
- Why don't you ...?
- You could (try) ...
- You probably/definitely/really should ...
The teacher has a car. (Car is a noun.)
It’s a new car. (New is an adjective which modifies car.)
The car that she is driving is not hers.
(That she is driving is an adjective clause which modifies car. It’s a clause because it has a subject (she) and a predicate (is driving); it’s an adjective clause because it modifies a noun.)
Note that adjectives usually precede the nouns they modify; adjective clauses always follow the nouns they modify.
The book is on the table. + I like the book.
The man is here. + The man wants the book.2. Delete the repeated noun and replace it with a relative pronoun in the clause you want to make dependent. See C. below for information on relative pronouns.
The book is on the table. + I like which
The man is here. + who wants the book3. Move the relative pronoun to the beginning of its clause (if it is not already there). The clause is now an adjective clause.
The book is on the table. + which I like
The man is here. + who wants the book4. Put the adjective clause immediately after the noun phrase it modifies (the repeated noun):
The book which I like is on the table.
The man who wants the book is here.
The man is happy. + I found the man’s wallet. =
The man whose wallet I found is happy.
The girl is excited. + Her mother won the lottery. =
The girl whose mother won the lottery is excited.WHEN replaces a time (in + year, in + month, on + day,...). It cannot be a subject. It can be omitted. Here is an example with when:
I will never forget the day. + I graduated on that day.=
I will never forget the day when I graduated.The same meaning can be expressed in other ways:
I will never forget the day on which I graduated.
I will never forget the day that I graduated.
I will never forget the day I graduated.WHERE replaces a place (in + country, in + city, at + school,...). It cannot be a subject. It can be omitted but a preposition (at, in, to) usually must be added. Here is an example with where:
The building is new. + He works in the building. =
The building where he works is new.The same meaning can be expressed in other ways:
The building in which he works is new.
The building which he works in is new.
The building that he works in is new.
The building he works in is new.
People who can’t swim should not jump into the ocean.2. A nonrestrictive adjective clause gives additional information about the noun it modifies but is not necessary to identify that noun. If a nonrestrictive adjective clause is removed from a sentence, the meaning of the main clause does not change. A nonrestrictive adjective clause is separated from the main clause by a comma or commas. The relative pronoun that cannot be used in nonrestrictive adjective clauses. The relative pronoun cannot be omitted from a nonrestrictive clause. Here is an example:
Billy, who couldn’t swim, should not have jumped into the ocean.
People who are living in glass houses should not throw stones. (clause)
People living in glass houses should not throw stones. (phrase)
Mary applied for a job that was advertised in the paper. (clause)
Mary applied for a job advertised in the paper. (phrase)2. RP + OTHER VERB (not BE) = OTHER VERB + ing
People who live in glass houses should not throw stones.(clause)
People living in glass houses should not throw stones. (phrase)
Students who sit in the front row usually participate more. (clause)
Students sitting in the front row usually participate more. (phrase)