How to spell Omit and Omitted
Omit is spelt with just one "T" but omitted is spelt with two "Ts". This means the common mistake made with the spelling of omit is to add an extra "T" at the end, while the common mistake with the spelling of omitted is to miss out one of the "Ts". To make sure you don't do this, think of the following:
The coach had to omit ted from the team after he turned up drunk for training.