1. Select language in the language dropdown. It is at the top of this web page and looks like this: 
2. Learn the words. Compare it in the two languages. Repeat many times. Try the word in small sentences. Write it down.
meat | sausage | hamburger | pizza | pasta |
pie | salad | soup | fish | seafood |

things | paper | book | newspaper | calendar |
mail | email | package | cd | movie |

stereo | tv | tablet | headphones | computer |
mobile | key | container | tool | machine |

When feel you have this skill, then checkmark it and continue to pronouns 1.
Hint: When you go back to this skill a new day and nail it, then you know you have this skill :-)