When you explain to someone that you realized or noticed something at a certain point, should the realizing or noticing be past perfect or simple past or present perfect?
I emailed you because I had realized that you would not be here tomorrow.
I emailed you because I realized that you were not going to be here tomorrow.
We decided not to go because we had noticed that the place we had chosen *would/will* not be nice.
We noticed that you have created your own program." or "We noticed that you created your own program.