そんなことは起きないでしょう。の英語

It isn't going to happen.

That won't happen.

That sort of thing won't happen.

That can't be.

There's no way, right?

That [A thing like that] could easily happen.

I should think not.

There's no way.

That can't be happening.

You can't be serious.

That can't be true.

No way.

I wouldn't do that.

I swear I will never do such a thing.

I'll be hanged if it's true.

That kind of thing never happens.

I do nothing of the kind.

That can't be right [so, true].

I'd never ever do that.

That's too bad.

You shouldn't do such a thing.

That's not true.

That's not true.

That is not true.

That isn't true.

I think that I mustn’t do that.

I should just think so.

You shouldn't do such a thing.

I think not―（悪いことを打消せば）―I hope not―（好いことを打消せば）―I fear not―I am afraid not.

I'm not sure about that. It depends.