Por miaj kvar infanoj mi aĉetis dek du pomojn = For my four children I bought twelve apples.
Instrui infanojn diligentajn (or, La instruado al infanoj diligentaj) estas agrabla okupo = Teaching diligent children is an agreeable occupation.
Ne sole viroj, sed eĉ infanoj estis tie = Not only men, but even children were there.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "infanoj" in a variety of sentences. We hope that you will now be able to make sentences using this word.