1.Paul was interested in the project.It wasn't abandoned -->If 2.People don't realize how important it is to conserve energy,so they do nothing about it --> If people 3.Liz is tired all the time.She shouldn't go to bed so late. -->If Liz Help me! Please

1.If Paul hadn't been interested in the project, it would have been abandoned.     ( câu đk loại III )

2.If people realized how important it is to conserve energy, they would do something about it.  ( câu đk loại II )

3.If Liz /went to bed early/ didn't go to bed so late/ , she wouldn't be tired all the time. ( câu đk loại II )

1, if paul had been interested in the project, it would not have been abandoned.

2, if people realized how important it is to conserve energy, they would do something about it.

3, if liz didn't go to bed so late, she would not be tired all the time.