Converse of object

• join: The firm joined forces with rival Viridor in a 50/50 partnership called Lakeside Energy from Waste to build the plant.

• drive: What have been the driving forces behind the new model?

• peacekeepe: The perception of impartiality is important for the protection of the peacekeeping force.

Adjective modifier

• armed: Yes, the pressure is serious; it is just outside, in Kuwait; it is the armed forces.

• military: The world today is not one in which military forces are the most effective means of power.

• Iraqi: The security situation is still completely out of hand for either the occupying powers or the new Iraqi security forces.

• productive: That alone provides conditions for democracy and allows the productive forces to expand in an unfettered manner.

Modifies a noun

• majeure: Regulation 7: use of legal jargon ( ' force majeure ' ).

Noun used with modifier

• police: We believe police forces would rather see a stick on legible plate than a small plate which cannot be read.

• coalition: Nevertheless, the coalition forces are still unable to penetrate the Iraqi defenses.

• labor: The leading export sectors in South America, including the flower industry, use a predominantly female labor force.

• driving: Marx argued that the main driving force behind capitalist crises lies in what he called the tendency of the rate of profit to fall.

• task: We remain at our guns as the task force races at flank speed seeking battle.

• gale: Severe weather warnings had preceded the gale force winds that had whipped the sea into 30 feet waves.

Preposition: of

• conservatism: Tony Blair should take a leaf from Scotland and stand up against the forces of conservatism that want to carry on killing for fun.