Ch 13 · Lesson 10

The book I read: leaving out who, which or that

When a new subject comes next, the relative word can go: the book (that) I read. When a verb comes next, it stays.

The short version

Drop the pronoun when a new subject follows

.

A new subject, I, follows, so the pronoun is optional; the man who called cannot lose its who.
Why?

In a defining clause you can leave out who, which or that when it is the object, which means when another subject comes straight after it. You cannot drop it when it is the subject, because nothing would be left to do the action. Look at the word right after the pronoun: a verb means it must stay.

Leaving out who, which or that

the relative wordthe noun it tells you aboutWhat do the colours mean?

Look at the word after who, which or that. Is it a new subject (I, you, she, we)? Then you can leave the relative word out:

With the wordWithout

Is it a verb? Then the word must stay:

Noun
Word
Next word
The rest
()
.
.

The man called is my boss is wrong: who does the calling, so it stays. After a comma, the word always stays.

A clause can get shorter still: the man sitting by the door. That is on participle clauses.

Common mistakes

WrongRightWhy
the man who he livesthe man who lives .
the film I saw itthe film I saw .
my car, that is red,my car, which is red, comma.
the teacher which...the teacher who...: .
who's bagwhose bag: .
a car what I likea car that I like noun.

What means the thing that, and it cannot follow a noun in standard English. It has its own job: What I need is time. See cleft sentences.

Going further: Who, which and that: people and things and the rest of the guide, when you want them. This lesson does not need them.

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Lesson 10 of 29 in this chapter

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What do the colours mean?