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.
（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
