Benefit (forms)

The recommended forms of the verb 'to benefit' are:

• past forms benefited;
• present participle benefiting.

This is the advice given by Hart's Rules. Forms with double '-t-' - benefitted, benefitting - are also to be seen, and may be becoming more common.

You may also want to see AWE's article on Consonant doubling.

For AWE's article on the meanings of words connected with benefit, see Benef-.