4 If I see her, I 'll tell her about.
5 My parents will buy a new bicycle for me, If I ask them.
6 What will you do If you fail the exam?
7 Who will help you If you are in a difficulty?
8 If my mum likes the kitten, she'll let me have it.
9 I'll take the umbrella If I it rains.
10 She'll learn to drive immediately If she has a car.
11 Will you forgive them If you know the reason?
12 If it is cold, I'll put my warm coat on.
13 If the plane arrives on time, I'll come to the hotel at about 10.
14 If you are out, I'll leave you a message on the answer phone.
15 We will watch the programme If you will recommend.
16 If he has enough money, he'll go skiing.
17 If there is nothing in the fridge, we will eat out.
18 If it is a nice day tomorrow, we will go sailing.
19 I 'll let you know if we decide to visit you in London.
20 If she stays at home, she'll cook a nice dinner for us.