Răspuns:
Explicație:
1-b: If my sister had come with me to the concert last night, she would have enjoyed it.
2-e: If I had left earlier yesterday, I wouldn't have been late for class.
3-d: If I hadn't been so tired last night, I would have watched a movie.
4-c: If I hadn't lost my umbrella last month, I would have lent it to you.
5-a: If I hadn't done some of my homework during weekend, I wouldn't have had time to go to the cinema yesterday.
