Final answer:
The words given are classified as follows: common (adjective), flatten (verb), government (noun), although (conjunction). Four meaningful sentences using these words are provided.
Step-by-step explanation:
The part of speech for each of the given words is as follows:
- Common - adjective
- Flatten - verb
- Government - noun
- Although - conjunction
Here are four meaningful sentences using these words:
- The common cold is a contagious illness.
- Please flatten the dough to prepare for baking.
- The government passed a new law to protect the environment.
- Although it was raining heavily, we still went for a walk.
Learn more about Parts of Speech