Truth Assumptions activity

1) I thought that today was your birthday. (Non factive)
2) I forgot that today was your birthday. (Factive)
3) The teacher scolded me for not studying hard enough. (Factive)
4) The teacher acknowledged that I hadn´t really studied. (Factive)
5) The teacher realized the student had cheated. (Factive)
6) The teacher assumed the student had copied. (Non factive)