请问这句话语法对吗Tom spent great efforts to help me.这里的efforts后面为什么跟的会是to 而不是（in）helping me 难道spend 还有其他新的用法?

请问这句话语法对吗Tom spent great efforts to help me.这里的efforts后面为什么跟的会是to 而不是（in）helping me 难道spend 还有其他新的用法? 这句话语法对吗 I spent two hours with my homework.这句话对吗 I spent half an hour swimming 这句话对吗? Can Tom swimming 这句话对吗? They are Jim and Tom desks.这句语法对吗 hope you like这句话语法对吗 请问这句话语法对吗?I have some friends,one is jack,the others are females 请问这句话语法对吗?She bought some...She bought some fabric to make shirts from. 法语 tout le monde comme en vacance 请问这句话语法对吗,不需要动词吗? but you look still very ugly请问这句话语法对吗? 请问 有情人终成眷属 这句话对吗 It can not only improving my abilities,but also helping my parents.这句话语法对吗?请问这句话在语言,语法上是否正确? Tom was climing the mountain yesterday.这句话对吗? Which book is Tom's?这句话对吗? Tom possible be at home.这句话对吗? when did tom lose his new pen这句话对吗 Tom is taking photos of Daming 这句话对吗