Ok, we often hear people say "Subject-Verb-Agreement" Eg I am, you are, he does....
But what about "Subject-Object Agreement"?
Let see these sentence:
We have no problem when saying:
"I have to wear a school uniform"
"I have a mobile"
But, when the subject is plural
"They have to wear a school uniform"
"Most people have a mobile."
DO we have some sort of guidelines on this matter?