1. 從句的主語如果是第一人稱，變?yōu)橘e語從句則與主句的主語一致;如果是第二人稱，則與主句的賓語一致;如果是第三人稱，不用變化。如：
“May I use your knife?”He asked me. →He asked me if he might use my knife.
“Do you know her telephone number?”He asked me. →He asked me if I know her telephone number.
2. 賓語從句的標(biāo)點均由主句決定。主句是陳述句，用句號;主句是疑問句，用問號。如：
Who will give us a talk?I don’t know. →I don’t know who will give us a talk.
Do you know?Where does he live?→Do you know where he lives?
“May I use your knife?”He asked me. →He asked me if he might use my knife.
“Do you know her telephone number?”He asked me. →He asked me if I know her telephone number.
2. 賓語從句的標(biāo)點均由主句決定。主句是陳述句，用句號;主句是疑問句，用問號。如：
Who will give us a talk?I don’t know. →I don’t know who will give us a talk.
Do you know?Where does he live?→Do you know where he lives?