Question

My bick runs/is run very fast He knoked down/ was knocked down by a bick yesterday Her house ruined/was ruined in the fire

Answer 1

Runs

Was Knocked down

Was ruined

Answer 2

It seems like you have provided some sentences with different verb forms. I'll correct them for you:

1. My bike runs very fast. (Present tense: "runs" is correct here)
2. He was knocked down by a bike yesterday. (Past tense: "was knocked down" is correct here)
3. Her house was ruined in the fire. (Past tense: "was ruined" is correct here)

The corrected sentences use the appropriate verb forms for the context provided. If you have any more sentences or questions, feel free to ask!