Note
A comma
If it is a business letter, don't use the th; use the comma and year. That way it is absolutely clear.
You need to learn grammatical English
No, not usually but some emails have to have every letter and digit correct.
yes u do you put it like this Dear teacher, then u carry on with your letter
No, a comma does not require a capital letter after it in standard English punctuation rules. You only capitalize the first letter of a new sentence or proper noun.
Yes, a comma is used after the salutation in a formal letter. For example, "Dear Mr. Smith,".
Yes, in a formal letter or email, the comma is placed after the word "sincerely" before your name. For example: Sincerely, [Your Name].
Comma after what?
The comma goes after.
you do not have to put the comma there
Do not put a space before a comma. Put one space afterthe comma.
You typically place a comma before a conjunction when it separates two independent clauses. If the conjunction connects two words or phrases, a comma is not necessary.
In that situation, the comma is optional. I would put one, because it makes it easier to understand the meaning at a glance, but it is not required.
No.
No.