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)."
A synonym of agenda would be schedule or itinerary.
agenda is attached
No, "will be had" is not a correct grammar. The correct grammar would be "will have."
That is the correct spelling of "agenda."
No, it is correct grammar, not a correct grammar.
The correct grammar is: "Are those correct?"
"On a train" is correct grammar.
Please find attached the leave schedule of all staff for the holiday
"Spanish una agenda" translates to "a planner" in English.
The correct grammar for this sentence is: "When did you send it?"
Revisaré mi agenda.