Describing Future Predictions

There's a high chance it will occur.

I believe it will occur.

There's a good chance it will occur.

It could happen.

Perhaps it will happen.

There's a chance it will occur.

I anticipate it will occur.

I predict that...

At some point in the future...

It will definitely happen.

I forecast...

I anticipate...

It is expected to happen.

Yes, I think so.

The situation will be different.

It's certain to happen.

Yes, I think so.

It is hoped that...

I am certain...

I am sure...

There's a high probability of it occurring.

I expect something to happen.

It's a possibility.

It's very likely.