◆多个在前用ARE,单个在前用IS.例如：
教室里有【许多】花和一台电视.
There 【are】 many flowers and a TV in the classroom.
教室里有【一台】电视机和许多花
There 【is 】a TV and many flowers in the classroom
◆多个在前用ARE,单个在前用IS.例如：
教室里有【许多】花和一台电视.
There 【are】 many flowers and a TV in the classroom.
教室里有【一台】电视机和许多花
There 【is 】a TV and many flowers in the classroom