英语翻译3句。求正解

我来~~~~ 绝对满意~~~~~~~

1、Last month， His parents bought him a new set of computer
2、Knowing deep in my heart what my parents have done for me ,I always work hard in my study
3、Now Please allow me to introduce to you the school`s rules and regulations

1，上个月他的父母为他买了一台新型电脑。
2，我心里很明白父母为我做了什么，所以我学习很努力。
3，现在请允许我向大家介绍学校的规定。

这个我来，看看，你肯定满意滴：

1.上个月他的父母为他买了一台新型电脑。
Last month his parents was that he has bought one new model computer.

2.我心里很明白父母为我做了什么，所以我学习很努力。
In the heart, very much, I know that parents is what I have acted as , make great efforts very much therefore I study.

3.现在请允许我向大家介绍学校的规定。
Invite the regulation allowing me to introduce school to everybody now.

1，上个月他的父母为他买了一台新型电脑。
His parents bought him a new model computer last month
2，我心里很明白父母为我做了什么，所以我学习很努力。
Knowing well what my parents have done for me,I always work hard in my study
3，现在请允许我向大家介绍学校的规定。