English for Today by Ganiu Abisoye Bamgbose (Dr GAB) Three functions of “in” as a prefix When “in” is added to a word at the beginning, it might generate the direct opposite of such words: Formal- informal.When “in” is added to a word at the beginning, it can have the same meaning as the word it is added to: Flammable- inflammable. Note that both flammable and inflammable mean that something can be easily set on fire. When “in” is added to a word at the beginning, it might amplify the meaning of the word it is added to: Value- invaluable. Note that to be invaluable means to be of great value: Mallam MukhtarMaruf Abdul Azeez is my invaluable fan. GAB