Subject-verb agreement with prepositional phrases

Front

A shipment of cookies (is arriving, are arriving) at the bakery.

Back

is arriving

Front

Survivors of the war (is marching, are marching) in the parade.

Back

are marching

Front

Her frequent changes of residence confuse the post office.

Back

are confusing

Front

Rising mists from the moor an aura of mystery over the scene.

Back

cast

Front

Teams from our school (dominates, dominate) most athletic events.

Back

dominate

Front

People on the beach (was building, were building) sand castles.

Back

were building

Front

Shouts from the crowd frighten the baby.

Back

are frightening

Front

The socks under the bed (was found, were found) by the puppy.

Back

were found

Front

Socks under the bed (found) by the puppy.

Back

were found

Front

Several teaspoons of cinnamon added to the mix

Back

were added