过去时的need to do 这个do可以用ing吗?On the basis of our company’s paying members on websites,I needed to sorting filing and dividing sequence.这句话有错误吗?

问题描述:

过去时的need to do 这个do可以用ing吗?
On the basis of our company’s paying members on websites,I needed to sorting filing and dividing sequence.这句话有错误吗?

嗯,need to 后面我觉得 应该是原型 吧

可以用ing,因为这里的need只是个情态动词,那么to 就是介词,介词后用名词做宾语,所以是ing的形式.