V in n
III.5 The 'intervene' groupThese verbs are concerned with being involved in something or taking part in an activity. This includes:
helping to do something
See also Structure I above.
act aid appear assist collaborate collude compete connive co-star engage dabble feature figure help indulge interfere intervene invest join meddle officiate overindulge partake participate share stand star
You do not have the right to interfere in our internal affairs.
The court heard how the defendant swore at one officer and kicked another after they intervened in a row between her and her boyfriend.
He has not yet announced whether he will stand in the election.
She starred in Channel Four's The Orchid House.