Don't forget to get your homework done before the start of class tomorrow.请问这句是简单句还是复杂
问题描述：
Don't forget to get your homework done before the start of class tomorrow.请问这句是简单句还是复杂
答
简单句,before在此是介词,其后的宾语是一个名词名词短语,即the start of class tomorrow.如果before 后是一个分句,那么全句就是复杂句了：Don't forget to get your homework done before tomorrow's class begins....