Converse of object

• hear: He looked inside and started through then we heard a big old bullfrog that started a racket.

Adjective modifier

• American: English Nature today launches an appeal for reports of our latest invasive species - the North American bullfrog.

• North: English Nature today launches an appeal for reports of our latest invasive species - the North American bullfrog.

• huge: We now have a huge bullfrog who makes huge poops IN the pool.

• large: In contrast, a large bullfrog 's tank will need daily water changes or a filtration system.

Modifies a noun

• choroid: Regulation of bicarbonate transport across the brush border membrane of the bullfrog choroid plexus.

• plexus: Regulation of bicarbonate transport across the brush border membrane of the bullfrog choroid plexus.