根据情景提示和要求，用英语写出相应的句子。
1. 你想请你的朋友代你向他父母亲问好，该怎么说？
___________________________________________________
2. 你的同桌新买了一个MP4，你想看一看，该怎么说？
___________________________________________________
3. If you ask someone to help you carry a heavy box, what will you say?
___________________________________________________
4. When your friend says "Have a nice weekend!" to you, what will you say?
___________________________________________________
