Conventions of Composition Rule 137
Rules: If you use plurals in the beginning of a sentence, any words connected to those plurals must also take a plural form. Same for singular.
Wrong: People talk about their life in interesting ways.
Correct: People talk about their lives in interesting ways.
Practice fixing errors in agreement:
- I looked at the cars in the lot and noticed their color.
- At two years old, Charlie could identify triangles, circles, squares; he knew objects' shape well.
Resources for further explanation about all kinds of agreement errors: