求英语大神帮忙解释一下下面几个有关于Wish用法的题,多谢1：My parents wish I __________(to look) for a job after my studies.2: I wish you _________( to come). Now ,it's too late.（老师答案：have come)3:She wishes he _________( to sell) his house before the crisis.(老师给的答案是had sold,但是我却想不明白,为什么呢?他前面的wish不是现在时么?后面还可以用过去完成?）4：My friend wishes I _______( to go out) so late in the evening. It's too dangerous.我查了一下wish在虚拟语气中的用法,但是感觉这几个题老师给的答案有不太符合那个规律,所以我混乱了.英语不好的人跪求大神的解释啊,今天还要考这相关的内容,弄不懂啊多谢

求英语大神帮忙解释一下下面几个有关于Wish用法的题,多谢
1：My parents wish I __________(to look) for a job after my studies.
2: I wish you _________( to come). Now ,it's too late.（老师答案：have come)
3:She wishes he _________( to sell) his house before the crisis.(老师给的答案是had sold,但是我却想不明白,为什么呢?他前面的wish不是现在时么?后面还可以用过去完成?）
4：My friend wishes I _______( to go out) so late in the evening. It's too dangerous.
我查了一下wish在虚拟语气中的用法,但是感觉这几个题老师给的答案有不太符合那个规律,所以我混乱了.
英语不好的人跪求大神的解释啊,今天还要考这相关的内容,弄不懂啊
多谢多谢