将来完成时的被动语态。到今年年底，这个班将由李老师教了三年了。

This class will have been taught by Mr. Li for three years by the end of this year.

youdao

将来完成时的被动语态。到今年年底，这个班将由李老师教了三年了。

This class will have been taught by Mr. Li for three years by the end of this year.

youdao