he has made neat paths and has built a wooden bridge over a pool为什么用现在完成时?个人感觉用过去试比较好啊···高手解答一下

He has made a neat paths and built a bridge over a pool.这里的has 可不可以改成 was啊,也就是He was made a neat paths and built a bridge over a pool. he has made neat paths and has built a wooden bridge over a pool. 并列句and后面的has可以省略吗? He has made neat paths and has built a wooden bridge over a pool.的句子结构,就是主谓 主谓宾 主系表 主谓宾宾补等 He has made neat paths and has built a wooden bridge over a pool.新概念第二册这句话为什么用现在完成时 《新概念英语2》第8课有一句话：He has made neat paths and has built a wooden bridge over a pool请问,这句话能改成He makes neat paths and builds a wooden bridge over a pool陈述语气吗?区别在哪里?我就是想问用一般现 he has made neat paths and has built a wooden bridge over a pool为什么用现在完成时?个人感觉用过去试比较好啊···高手解答一下 he has made neat paths and has built a wooden bridge over a pool.这里的over a pool 是定语还是状语,或者都可以?上课的是后老师说是地点状语,但是我买的工具书里写的是定语.那应该是定语还是状语呢.应该怎 make与build的区别看到一个句子：he has made neat paths and has built the wooden bridge over a pool.请问：我知道make有制作物品的意思,比如make a cake,build是建造的意思,比如build a house,造路和造桥都是“建造 pat how much money has pat got? Jim has made many friends since he ___to china. He has made s( ) kites for his little brother ---is it---has made tom---he is today. He has made a great p______ in his math. He has made up his mind to give up smoking he has made great contribution to the causeof educationfanyi He has made great ______in his studies 用advance填空 He has made geat ---inspoken English since last year.