Помогите пожалуйста с упражнением 4 ) Умоляю) даю 50 б

Спасибо

1. I would like  to buy a new computer.2. I want to buy digital camera.3. My friends want to go to the disko with me.4. My teacher expect to explaint the rule again.5. I want if give us fewer tasks.6. My parents would like to obey me.7. My pet expect to follow my commands.