You can substitute the less wordy version so much (or, less formally, that much ) for as much as I did . Compare: I didn't realize I had worked [as much as I did / so much / that much] that day. Who knew, when Beethoven was a child, that he would someday write music [as much as he did / so much]?
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.