1. rise，raise，arise，arouse

“rise” 是不及物动词，过去式为rose，过去分词为risen，其基本词义“上升，上涨”。The sun rises in the east.A good idea rose in my mind. “raise” 是及物规则动词，“举起，提高”。He raised his voice to make himself heard.The boy can raise the heavy stone.

“arise”，是不及物动词，过去式为arose，过去分词arisen，其语义为“出现，发生” 。His curiosity arose due to the question his mother asked.

“arouse”是及物动词，过去式和过去分词为aroused，其语义为“唤醒，引起”arouse somebody from sleep 把某人唤醒arouse suspicion 引起怀疑

2. lay，lie，lie

“lay”及物动词，“放置，生蛋”，过去式与过去分词为 “laid”I've laid the book on the self.The hen lays an egg every day.

“lie”不及物动词“位于，平躺”，过去式为“lay”过去分词 “lain”He lay on the floor and slept soundly.Beijing lies in the north of China.

“lie”及物动词“说谎”，它是规则动词。He lied to his teacher.