Demonstrative pronouns:

pronouns used to identify people or things

used to replace nouns already mentioned or refer to something people know

• this(these)

• that(those)

Example:

• This is his book.

• Those apples were his.

• These teaches are from China.

Indefinite pronouns

Refers to an uncertain person or thing

• one
• the other
• some
• any
• something
• nothing

Example:

• No one knows where he is.

• Some of the boys want to go to Shanghai, but the others want to go to Xi'an.

• Each of the students has got a book.

• I know nothing about this person.

• I have something to tell you.