she then purchased him a pair of shoes,and tying up the remaining pairs of socks

问题描述:

she then purchased him a pair of shoes,and tying up the remaining pairs of socks
为什么type不是加d.and不是并列吗

and并列的 是两个谓语 第一个谓语是 purchased 第二个谓语是gave
现在分词短语 tying up the remaining pairs of socks是第二个谓语gave 的 状语
原句是 Placing a pair upon the boy's feet,she then purchased him a pair of shoes,and tying up the remaining pairs of socks,gave them to the boy.