请帮忙改一下我的英语作文的语法错误（改好追加40谢谢）!At the beginning of the class,we promised to follow the rules of this class.Then we shake hands one by one.That means we need to do what we just promised and to trust other

请帮忙改一下我的英语作文的语法错误（改好追加40谢谢）!At the beginning of the class,we promised to follow the rules of this class.Then we shake hands one by one.That means we need to do what we just promised and to trust other
请帮忙改一下我的英语作文的语法错误（改好追加40谢谢）!
At the beginning of the class,we promised to follow the rules of this class.Then we shake hands one by one.That means we need to do what we just promised and to trust others.I felt once I promised something,nothing would stop me to hold my promises.
People always want to have faith in other people.This constructed the frame of the relationship between people.If one does not follow his promises,he would lose all the trusts that other people have gave to him.People become more and more suspected nowadays because there are so many lies and dishonest.Maybe only one person did not follow the rules,and he influenced small amount people stop trusting.They may think,I do not want to be fooled around again; I will do what he has done.There are only a few people who are moral enough can ignore other people’s actions.When most of the people do not follow the rules or stop trusting,this world will be messed up.
What we had done in the class also like a “ceremony”.I promised to my teacher and my classmates.The promises and trusts are in this class.When a Christian gets baptized,when a Buddhist takes converts,they need to declare they will follow what those religions require them to do.Although priests and people can officially count they are in the religion,I think it does not matter whether there has been priest to be a witness during that.It is only a ceremony between the person and the god.When the person has promised he will follow the rules and trusted in the God,the God will also promise something to the person.Then there is a connection between the person and the god; it does not involve in other people.
Some promises we need to say it out loud,and there are also some promises maybe just an eyes-contact or a body language.But it connects people,creatures or gods.Sometimes promises and trusts are unbreakable,but sometimes they are fragile.So people have the ceremonies and contracts to help us follow the rules and trust others.

请帮忙改一下我的英语作文的语法错误（改好追加40谢谢）!At the beginning of the class,we promised to follow the rules of this class.Then we shake hands one by one.That means we need to do what we just promised and to trust other
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nothing would stop me to hold my promises.
改成 ...stop me(my) holding...
he would lose all the trusts that other people have gave to him
改成.have given to...
When most of the people do not follow the rules or stop trusting,
or改成and..
this world will be messed up.
this改成the.
it does not involve in other people.
does not involve改成 ...isn't involved...