Use on. Agenda means (a list of ) things to do.
The correct grammar can vary depending whether or not the agenda is physical or not. Scheduling in a physical agenda would use the word in and a non-literal agenda would use the word on.
Either may be correct, depending on the sentence.
Almost but not quite. The grammatically correct wording is "Please see the attached agenda." As a shorthand, you could also say "Please see agenda (attached)."
agenda is attached
That is the correct spelling of "agenda."
"On a train" is correct grammar.
Please find attached the leave schedule of all staff for the holiday
Almost but not quite. The grammatically correct wording is "Please see the attached agenda." As a shorthand, you could also say "Please see agenda (attached)."
agenda is attached
No, "will be had" is not a correct grammar. The correct grammar would be "will have."
A synonym of agenda would be schedule or itinerary.
That is the correct spelling of "agenda."
No, it is correct grammar, not a correct grammar.
"On a train" is correct grammar.
Please find attached the leave schedule of all staff for the holiday
no_____If the sentence is You do do that (meaning You are in the habit of doing that) the grammar is perfectly correct and the sentence 'does have correct grammar'.
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
Revisaré mi agenda.
It means "a schedule"