1. If I ( to drink) too much coffee, I (not/can/sleep ) at night. 2. If you (to heat) ice, it (to melt). 3. When the sun ( to go) down, it ( to get) dark. 4. If snakes (to be) scared, they (to bite). 5. If you ( to touch) the fire, you ( to get) burned.
If I drink too much coffee, I can't sleep at night.If you heat ice, it melts.When the sun goes down, it gets dark.If snakes are scared, they bite.If you touch the fire, you get burned.