Chinese Basic 1
Family

The use of 这 and 那

这 (zhè) and 那 (nà) are demonstrative pronouns or adjectives pointing to things near (这) or far (那), they are used like 'this' and 'that' in English.
这是什么? What is this?
那是什么? What is that?
那张名片是我的! That name card is mine?
NB: Note the difference between 那 (nà) and 哪 (nǎ). 哪 means 'which'.