怎么区分rise,arise,raise这三个单词的用法?

arise、rise、rouse、arouse、raise的区分：arise（arose,arisen）1 occur“发生”,例：Problems arose from the outset.一开始就产生了很多问题.
raise：举起,及物动词,后加宾语,如：he raises his hand.rise：升起,不及物动词,如：the sun rises in the east.arise：产生,起因于,不及物动词,如：accidents arise from carelessness.arouse：唤起,唤醒,及物动词,如：what he says arouses suspicion.