in the form of (someone or something)
As represented or exemplified by a particular person or thing. France elected a new president in the form of Emmanuel Macron. The IRS is investigating whether the politician attempted to hide revenue in the form of campaign contributions.
in the shape of (someone or something)
As represented or exemplified by a particular person or thing. France elected a new president in the shape of Emmanuel Macron. The IRS is investigating whether the politician attempted to hide revenue in the shape of campaign contributions.
in the shape/form of somebody/something
follows a general word and introduces a particular example of it: There was entertainment on the ship, in the form of a disco and a cinema.Help arrived in the shape of a policeman.