relations bewteen my parents have become difficult.为什么加have？she come home from home to find the house。为什么加to？

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relations bewteen my parents have become difficult.
为什么加have？
she come home from home to find the house。为什么加to？

第一个用现在完成时表示从过去到现在一直很紧张,如果文意不明确,用一般现在时表达事实也是可以的,第二个加to表示目的状语,是非谓语动词的用法

relations bewteen my parents have become difficult.为什么加have？she come home from home to find the house。为什么加to？ 1.Relations bewteen my parents have become difficult.问--为什么要加have.2.My mom came home from work to find the house clean and tidy问--为什么要加to.真诚请求大家耐心解答.八下课本疑点. public relations bewteen the tree.and.应该用I还是me bewteen ..and.借主格还是宾格 Plant water relations the Industrial Relations Act Communications and Public Relations Public Relations Manager是什么意思? PUBLIC RELATIONS怎么样 investor relations是什么意思 investor relations是什么意思 relations 的意思 investor relations是什么意思 investor relations是什么意思 constitutive relations是什么意思 investor relations是什么意思 labour relations是什么意思 linear relations是什么意思