Learn English – Is it grammatically ok to say “Of that, I’m sure” instead of “I’m sure of that”

sentence-construction

Is it grammatically correct to say "Of that, I'm sure" instead of "I'm sure of that?
Examples:

  1. My friend: Are you sure the covid-19 epidemic is gonna be done soon?
    Me: Of that, I'm sure.

  2. We need peace, of that I'm sure.

Best Answer

Of that I'm sure.

Yes it is correct. I would say it is unlikely to be heard in casual conversation and perhaps more likely in a speech or in writing.

Real examples

No one in my adopted family had that name; of that I am sure.

Google Books

of that I am positive

of that I am certain

Of that I am clear

of That I am most certain

Google Books

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