This/These, That/Those

 This/These, That/Those

• We use this (singular) and these (plural) to talk about people or things near us:

• This is a book. 
• These are books.

• We use that (singular) and those (plural) to talk about things that are not near us:

• What’s that? 
• Who are those people?

http://elt-primaria.wikispaces.com/demonstratives_01

EXERCICES:

• http://elt-primaria.wikispaces.com/demonstratives_01
• http://learnenglish.britishcouncil.org/en/english-grammar/pronouns/that-these-and-those
• Ejercicio 1 
• Ejercicio 2 
• Ejercicio 3