英泽汉别用GOOGLE查出来，高手过来答

1. Father makes sure that all lights are off before he goes to bed． 父亲在睡觉之前都会检查所有的灯都关了没。2. He declared that he would never help us． 他申明他永远不会帮助我们3. Ought I to leave tomorrow? 我明天应该离开吗？4. I’d like to find someone