The ugly animal isn't anything that I think.

英語中的代詞有：

人稱代詞,

物主代詞

反身代詞

指示代詞

疑問代詞

不定代詞

關係代詞

相互代詞

不定代詞是其中的一種，可以作主語、賓語、表語、定語等。作表語的例句：

1.Saying is one thing and doing is another.

2.He is one of the leading brains in the country.

3.It is just such another.

4.Is this another of your schemes to make money?

5.His father is a doctor and he is another.

不定代詞後加修飾詞，可以是名詞、形容詞和動詞不定式。不定代詞指的是那些不指明代替任何特定名詞或形容詞的代詞。