Could宾语从句是一般过去时态或者一般现在时态。他的动词原形是can。例如,the boy could swim very well at the age of eight.这个男孩在八岁的时候游泳游的非常好。
Could you tell me why you are  strict with your students?你能告诉我,你为什么对你们班的学生那么严格吗
Could宾语从句是一般过去时态或者一般现在时态。他的动词原形是can。例如,the boy could swim very well at the age of eight.这个男孩在八岁的时候游泳游的非常好。
Could you tell me why you are  strict with your students?你能告诉我,你为什么对你们班的学生那么严格吗