Carry out is used with these nouns as the subject:
staff, volunteer

Carry out is used with these nouns as the object:
abortion, act, action, alteration, ambush, analysis, appraisal, assassination, assault, assessment, assignment, atrocity, attack, autopsy, ballot, blitz, census, check, chore, command, contract, conversion, crime, duty, engagement, enquiry, evaluation, examination, excavation, execution, exercise, experiment, exploration, explosion, fieldwork, function, hold-up, improvement, inspection, instruction, interview, invasion, investigation, job, killing, maintenance, manoeuvre, massacre, measurement, mission, modification, murder, obligation, operation, order, patrol, plan, policy, poll, post-mortem, procedure, programme, project, raid, recommendation, reconnaissance, reform, renovation, reorganization, repair, research, responsibility, restoration, review, revolution, scan, scheme, search, sentence, simulation, strike, study, surveillance, survey, task, test, threat, transaction, transformation, transplant, trial, valuation, wish, work

Carry-out is used before these nouns:
food