Analyze and comment on the following .Point out the compounds in

Analyze and comment on the following .Point out the compounds in the following sentence and explain how they are combined.The out-going president talked to the stockholders who had staged a sit-in forty-storey building.
【正确答案】：

（1）OUT-GOING，STOCKHOLDER，SIT-IN，FORTY-STOREY
（2）OUT-GOING: ADV+V-ING
STOCKHOLDER: N+V-ER
SIT-IN: V-ADV
FORTY-STOREY: NUM+N

【题目解析】：复合词有：out-going（外向的），这个词是由副词加动词ing形式构成的。stockholder（股东）这个词是由名词加动词加er构成的。sit-in（静坐抗议）这个词是由动词+副词构成的。forty-storey （四十层的）是由数词加名词构成的。