reported speech without tense change有关语法

reported speech without tense change有关语法 Reported Speech 英文 reported Speech What is reported Speech? reported speech 文法 英语达人请进（有关语法：present perfect tense 和 past tense) Reported speech 题目--------高手请进 “Change active speech codec?” change active speech reported speech 中各种时态的变化 能帮我改成reported speech吗? 翻译change active speech codec