记念某人英语怎么说?

首先,中文的争取用词是：“纪念某人”.
英文可有多种表达方式,基本可互换：
remember somebody
in memory of somebody
keep somebody's memory alive
commemorate the anniversary of somebody's birthday/death (纪念某人诞辰或冥辰.周年)
一般不说：commemorate somebody

纪念某人 To commemorate someone
记念某人 Remember someone

in memory of sb