动词--名词,一般在后面加上以下后缀
1.work-worker
2.construct--construction
3.decide--decision
4.employ--employer/imployee/imployment
5.serve--servant
6.act--actor
7.arrive--arrival
名词--形容词,一般在后加以下后缀
1.rain--rainy
2.care--careful/careless
3.tradition--traditional
4.practice--practical
5.fame--famous
6.wood--wooden
7.finance--financial
形容词--副词,一般加ly后缀
1.slow--slowly
careful--carefully