用"我去"组成表示4种语气的句子

1.Jane,a beauty,will go there,I'll go there ,too.
2.If I go there ,they'll feel happy.
3.I went there in person,so they felt very happy.
4.Nobody can slove the problem,but my going there will surely make a difference.

并列关系: 我去做饭和炒菜。
条件关系: 如果我去买菜了，你就不用去了。
因果关系: 因为我去买菜了，所以你不用去了。
转折关系: 我去买菜，不过我胃疼，你去买吧。