P R O B A B I L I T Y AND I M P R O B A B I L I T Y

Expressing Probability

It is probable that my grandfather repairs the car. I guess he is fit for the job. I bet my grandmother is better than he is. I suppose they are good mechanics. She may have repaired the car while you were out. Ali may come any minute. Maybe / perhaps the problem won’t be serious. It will probably rain this evening. I’m likely to do the work myself.

I M P R O B A B I L I T Y

Expressing Improbability

No, probably not. I don't suppose my grandfather repairs the car. I doubt my grandmother does, either. She/he is unlikely to repair the car. I don't think they can repair that car. I'd be surprised if she/he repaired the car. It's unlikely she/he will repair the car soon.