Put the verbs in the blankets into the correct forms

Put the verbs in the blankets into the correct forms
1. Thomas received a warning for speeding. He...........(should/ not drive) so fast.
2.When you have a small child in the house, you shouldn't...........(leave) small objects lying around. Such objects can...........(swallow), causing serious injury or even death.
3. The entire valley...........(can/see) from their mountain home.
4. I'm sure you'll have no difficulity...........(pass) the exam.
5. The smoke alarm...........(go off) when he...........(light) a cigarette underneath it.