Ain't using,...

Ain't is a good example of a word that may best be avoided.

It can be a contraction of any of the following:

• are not, aren’t; is not, isn’t; am not.
• have not, haven’t; has not, hasn’t.
• do not, don’t; does not, doesn’t; did not, didn’t.

Probably the only time I use it personally is in the saying: "if it ain't broke, don't fix it"

Hanayaka_sashii'd I'd like to ask you when we use ain't?

We are not allowed to use ain't until after we have learned to capitalize the word Iwherever it occurs in our writing.

okay,...
thanks for the recomendation,

i see,..

by the way,..
why I should be capitalized even in the middle of sentence?

Hanayaka_sashiwhy I should be capitalized even in the middle of sentence?

So that your writing will be the same as the writing of all people who write in English. We all like to fit in and be accepted by others, so we try to do it the way everyone else does it.

What a mess if everybody had their own rules for writing English! One day we would find

okay,...thanks you very very much.

Try this link on capitalization rules:

http://www.grammarbook.com/punctuation/capital.asp

sorry,...

from 17 rules there is no rule for I in the middle of sentence,...
or it has own reason?

Rule 0 - The English personal pronoun I is always capitalised. Always

Read some more in: http://en.wikipedia.org/wiki/I_%28pronoun%29

If you want people to see that you can use English properly, such as when writing on these forums, you will always capitalise your I.

ok. I will,...
I am glad to learn this.
Thanks a lot.