I wouldn't feel happy if you didn't go shopping with me.
如果你不和我一起去購物,我會不高興的。
I wouldn't feel happy if you went travel alone without telling me.
如果你一個人去旅行而沒有告訴我,我會不高興的。
I wouldn't feel happy if you didn't come to my wedding ceremony.
如果你不來參加我的婚禮我會不高興的。