2-19. I, me.
[Tony says: "I did X."] = Tony says something about Tony. Tony says: Tony did X.
[Tony says: "I see Lisa."]
[Lisa says: "X happened to me."] = Lisa says something about Lisa. Lisa says: X happened to Lisa.
[Lisa says: "Tony sees me."]
2-20. you.
[Tony says to Lisa: "I can see you."] = Tony says something about Lisa. Tony says this to Lisa. Tony says: Tony can see Lisa.
[I know you have something good.]
[I want you to do something good for me.]
2-21. here.
[Tony says: "X happens here."] = Tony is in a place. Tony says: X happens in this place.
[Many people were here at one time.]
2-22. now.
[Lisa says: "X happens now."] = Lisa says something at a time. Lisa says: X happens at this same time.
[There are not many people here now.]
Lisa says to Tony: "__________."