几个汉译英,伦家不会做,求解答〜

1. 真遗憾你昨天没去看音乐会.
what a pity you didn't go to the concert yesterday.
2. 在我的房子前面有一棵大树.
There is a big tree in front of my house.
3. 来这里之前我去看望了一个朋友.
I stopped by and visited one friend before coming here.
4. 很快就要下雨了.
it's going to rain.
5. 如果你见到那个可爱的孩子,你会喜欢她的.
you would love her if you saw the cute child.