Question

two language games for teacing english in class 3

Answer 1

You can play word game ...or download the hinkhoj dictionary in mobile and teach the childrens new words and meanings.

Answer 2

last man standing!
everyone loves it
basically everyone goes in turns saying a word that matches a theme assigned by you 
chalkboard acronym is also a good game
you write a word on the board and each student gets a to say one word starting with each letter of the word you provided