“join the school rowing club”一短语中为什么row要加ing说明理由.

“join the school rowing club”一短语中为什么row要加ing说明理由. the school rowing club为什么rowing 不是row I want to join the swimming club为什么swimming要加ing? Are you going to join the school rowing club AYes,I willBYes join our basketball club的join要不要加ing you can join the story telling club.为什么加ing?you can be in ou he wants to join in the school sports club为什么加in He wants to join the swimming club为什么要用ing形式? Have you ______(join) the English club at your school?为什么要用j I want to join the chess club 请问为什么要加the? I want to join the art club 这句话的the为什么要加? Mr Li wants me to join the swimming club.为什么want要加s?