用作定语
▲～+n.
She was pleased at the courteous ways in which he addressed her.她对他彬彬有礼的称呼方式感到高兴。
The courteous boy was civil to everybody.这个谦恭的男孩对每一个人都很有礼貌。
用作表语
▲S+be+～
I go to that store because the clerks there are courteous.我上那家商店买东西，因为那里的店员殷勤有礼。
▲S+be+～+prep.-phrase
He was quietly courteous to the staff.他对工作人员谦恭有礼。
▲It is/was+～+of sb+to-v
It was courteous of him to give his seat to my mother.他把座位让给我母亲真有礼貌。
