If Kelly ________ (sleep) badly at night, she ________ (feel) drowsy the next day.
If Kelly sleeps badly at night, she feels drowsy the next day.
When the sun _________ (to rise), the street lights __________ (to go out).
When the sun rises, the street lights go out.
Plants _________ (to die) if they __________ (not/to get) enough water.
Plants die if they don't get enough water.
If babies __________ (to be) hungry, they __________ (to cry).
If babies are hungry, they cry.
If Kevin __________(not/have) breakfast, he __________ (feel) less energetic.
If Kevin doesn´t have breakfast, he feels less energetic.
If I _________ (walk) for a long time, my feet _________ (hurt).
If I walk for a long time, my feet hurt.
If you _________ (to mix) red and green, you __________ (to get) brown.
If you mix red and green, you get brown.
If you __________ (be) happy, you __________ (want) to share your happiness with the whole world.
If you are happy, you want to share your happiness with the whole world.
If you _________ (to put) water in the freezer, it _________ (to become) ice.
If you put water in the freezer, it becomes ice.
If the weather ________ (be) rainy, I _________ (put on) my raincoat.
If the weather is rainy, I put on my raincoat.
If you _________ (to add) sugar, the sauce _________ (to taste) sweet.
If you add sugar, the sauce tastes sweet.
He always __________ (to take) his umbrella when it __________ (to rain).
He always takes his umbrella when it rains .
If a student __________ (make) a lot of mistakes in his test, he _________ (not / pass) it.
If a student makes a lot of mistakes in his test, he doesn´t pass it.