Use "take the liberty" in a sentence

1. I shall take the liberty of returning your fee.

2. Might I take the liberty of reminding Sir that Sir's favourite programme's on the air soon?

3. Two of its major intellectual figures have now written what I take the liberty of calling Apostasies from their previous calling.

4. AT London Aforesaid - English Only forum We take the liberty to ask you for the Aforesaid for the reason that - English Only forum Visit the Spanish-English Forum