同学们,说到should与could,你们肯定知道它俩是情态动词的重要成员,具有情态动词的共性:没有人称和数的变化,后面直接跟动词原形。它们在表达“建议”时有不同的使用功能,相信你们通读它们的声明之后,定能解开心中的疑问,让我们一起来会会这两位嘉宾吧。 Students, speaking of should and could, you certainly know that they are important members of modal verbs, with the common features of modal verbs: no one calls the number of changes, followed directly with the verb prototype. They use different functions when expressing “suggestion ”. After you read through their statements, you will be able to solve the questions in your heart and let us all come together for the two guests.