Rewrite the following general statements using plural nouns. Make sure that the verbs agree with their subjects. For example:
A robin is a bird.
Robins are birds.
A refrigerator is an appliance.
Refrigerators are appliances.
1. A schooner is a ship.
2. A mallard is a duck.
3. A rhododendron is a bush.
4. A beech is a tree.
5. A kangaroo is a marsupial.
6. An emerald is a gem.