We've just finished unit 2 and our test will be on Monday. The most difficult part of the unit is the grammar: zero and first conditional. For that reason, I've looked for some resources that may help you.
The first thing I've found is a webpage where you can find a brief explanation and some examples. Click in the following links:
In the following video, you can see a lot of examples of zero conditional, And you can do this exercice if you want to practice: CLICK HERE!
This video includes examples of first conditional sentences. In the following link, you can play a game which consists in ordering the words to form sentences using the first conditional: FIRST CONDITIONAL GAME.
I hope you find this information useful! Bye bye!