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.
I I drink too much coffee , I can't sleep at night
2 if you heat ice , it melts
3 when the sun goes down , it gets dark
4 if snakes are scared , they bite
5 if you touch the fire , you get burned