If you mean "It is possible that you will be able to attend," use Possibly, you may attend. The word possibly is not necessary: its doubtful meaning is included in the form "may attend." Therefore, we make it absolute, separated from the grammar of the sentence by the comma.
"So few" is correct for things that may be counted.
It is Can you please stop
The issue is not grammar, but pronunciation. In words beginning with h but not stressed on the first syllable the h may be silent.
No.I'm assuming you're asking if that's the correct grammar, and it's not. The correct phrase would be "May I please go?".
Use on. Agenda means (a list of ) things to do.
Yes
No, the grammar is incorrect. It should be: "You may notify me or John Doe." Using "myself" in this context is not grammatically correct.
"So few" is correct for things that may be counted.
For more than 20 years of existence this may be my first time to visit here is not correct grammar.
It is Can you please stop
Although "in a train" may seem correct, the more commonly used phrase is "on a train".
In Standard English, it is not. The correct past tense of "bring" is "brought". "Brung" may be used in some dialects, however, though
May I is the correct form for seeking permission.
He was born in Essex. You may want to improve your grammar. As "were" is not correct. Where would be correct as it involves a place.
The issue is not grammar, but pronunciation. In words beginning with h but not stressed on the first syllable the h may be silent.
No.I'm assuming you're asking if that's the correct grammar, and it's not. The correct phrase would be "May I please go?".
No. "Rather than" is wrong. The proper construction is " as well... as."