Play the frog game! and try the monkey game!  or the catapult game!

Here you can practice affirmative form:

exercise 1    exercise 2    exercise 3  exercise 4   exercise 5

Here you can practice negative form:

exercise 1    exercise 3   exercise 3   exercise 4  exercise 5

Here you can practice interrogative form:

exercise1   exercise2   exercise3   exercise4   exercise5

Watch this video and then play the game!

Here is your homework: pre simpl neg int