Question

Complete the regrets or complaints about the past using "should have/shouldn't have".
e.g. I feel sick. I ate all the chocolate. I shouldn't have eaten all the chocolate"
A) Mason forgot all his notebook at home. Now he can't prove that he did his home assignment.
B) William did not submit his home assignment in time
C) Olivia used to lie a lot. Now nonody bilives her
D) Sophia forgot to return her classmate's textbook

Answer 1

Mason should not have forgotten all his notebooks at home
William should have submitted his home assignment in time
Olivia should not have lied a lot. 
Sophia should not have forgotten to return her classmate's textbook

Answer 2

A)Mason shouldn't have forgotten all of his notebooks at home.
B) William should have submitted his home assignment in time.
C) Olivia shouldn't have lied a lot.
D) Sophia shouldn't have forgotten to return her classmate's textbook./ Sophia should have remembered to return her classmate's textbook.