1) Heavy rain will always cause a flood to occur in my basement.
2) Heavy rain cause my room to be flooded.
2) What is the cause of the flood in my room?
3) My basement will always be flooded with water during heavy rainfall.

* I am learning how to use the word 'flood' in different way and I have constructed a few sentences by using the word 'flood'. I hope they are constructed correctly. I hope somebody will help me. :)