Either of these is fine. I prefer the second. Sorry it took so long to answer.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
AnonymousSorry it took so long to answer.When you use the past here, it actually is referring to the moment in time that you are writing the note. By the time the recipient reads it, it is past time. So it is present time for you (the writer), and past time for the reader.
AnonymousSo which sentence is the most common ?It's about 50-50. Most people use #1 because there are fewer characters to type.