C. What saved Johnsy's life?​

It`s a lovely evening,  isn`t  it ?
The sportsman runs very fast, doesn`t  he?
 It was a wonderful game,   wasn`t  it ?
We could go there together,  couldn`t  we ?
You know my family,  don`t  you ?
You will come here again, won`t  you ?
You don`t need any help, do you ?
She doesn`t speak German at all,   does she ?
  Paul isn`t good at Maths, is he ?
Your parents aren`t from Britain, are they ?
  Our match wasn`t interesting today, was it ?
  Your teacher won`t give you much homework for the weekend, will she ?        

 He will be very pleased if it is really true.
 He would be very pleased if it was really true.
 He would have been very pleased if it had been really true.

If you go to town on Monday, you will meet my brother Tom.
If you went to town on Monday, you would meet my borhter Tom
If you had gone to town on Monday, you would have met my brother Tom.

 If you need help, my father will help you.
If you needed help, my father would help you.
If you had needed help, my father would have helped you.

If John doesn't oversleep, he won't be late for work.
If John didn't oversleep, he wouldn't be late for work.
If John hadn't overslept, he wouldn't have been late for work.

If he isn't late for work, his boss won't fire him. 
If he wasn't late for work, his boss wouldn't fire him.
If he hadn't been late for work, his boss wouldn't have fired him.