Are the underlined verbs right or wrong? Correct them where necessary.

1.  Water boils at 100 degrees Celsius.
2.  The water boils. Can you turn it off?
3.  Look! That man tries to open the door of your car.
4.  Can you hear those people? What do they talk about?
5.  The moon goes round the earth in about 27 days.
6.  I must go now. It gets late.
7.  I usually go to work by car.
8.  ‘Hurry up! It's time to leave.’ ‘OK, I come.’
9.  I hear you've got a new job. How do you get on?
10.  Paul is never late. He's always getting to work on time.
11.  They don't get on well. They're always arguing.