the school needs help to teach music.这一句既然help已经是动词了.为什么要加to

the music school help to needs teach The school needs help to teach music need为什么加s. The school needs help to teach music中,为何要加to?是因为need sth to 连词成句 help,music,teach,the,needs,to,school. needs,help.the,school,teach,to,music连词（为什么）谢谢 needs,to,school,teach,music,our,help.连词成句 连词成句：(1)Teach,school,needs,help,the,art,to(.) (2)for,we,scho 是the school needs help还是the school needs helping we need her to help with music 这里为什么加to 英语中什么时候要 The school needs you to help the English-speaking students w 填空:Our school needs help to ___ art. help 什么时候要加 to do 什么时候加动词原形?