1. She shouldn't have forgotten to pay the electricity bill Yesterday, because today is the deadline.

2. My son lied about his school grades to me, but I didn’t punish him.

2. I would have punished him for lying about his school grades, and I would have taken away his cell phone.

3. My wife smoked inside my grandfather’s house and now, he’s very upset.

3. She should have been more respectful and go to smoke outside the house and not bother my grandfather.

4. In my last trip to Japan, I forgot to take off my shoes before I entered my friend’s house. Later, my friend stated that his family had felt insulted and uncomfortable, but they were too shy to say anything to me. What would you have done in my position?

4. I would have apologized to them and told them that I still did not know their customs.
   

b) If I had found a genie lamp when I were 10 years old, I would have asked him for a car of the year, at that time I really loved the Ford F-150.

c) If I had found a genie lamp when I were 10 years old, I would have asked him never to grow old, to be forever young.

What must have happened?

What might have happened?

Unit 10

What must have happened?

What might have happened?

Unit 11

Unit 11