1 Should it warm tomorrow, we will have a picnic

2 Should your cold become worse you must see the doctor

3 Should you take part in the English club, your speaking skill will be improved

4 Should you keep your feet dry you won't have a cold

5 Should you want to go out tonight, make up your room

6 Should he make more mistakes I will be very angry

7 Should you leave your house unlocked it will be broken into

8 Should she forget her book she can share with me

9 Should you turn down the radio you won't wake the baby up

10 Should you are asked to sing an English song what will you do?

11 Will you phone the police first should someone break into your house?

12  Should he ask to bring hot water tell him to wait for five minutes

5.1 is

2 don't go

3 will start

4 are

5 doesn't arrive

6 is

7 accepts

8 falls

9 comes

10 washes

11 doesn't start

12 will you repay

13 won't be able to

14 won't be

15 will steal

16 sells

17 won't let

18 don't go

19 eats

20 will happen

1 will collapse

2 have

3 will phone

4 reads

5 will steal

6 can borrow

7 make

8 ask

9 will be

10 does not

2.1 works/will pass

2 come/ will phone

3 will fell/don't give

4 goes/will be

5 will know/don't reveal

6 eats/will be

7 don't hurry/will miss

8 see

9 have/will you go

10 cooks

11 come

12 isn't/ will put off

13 will your father pick/come

14 will you speak/meet

15 answers/won't help

6 studies

7 doesn't hurry

20 studies

3.1 If you turn off all the lights you will not pay more money

2 If she doesn't wear warm clothes she will have a cold

3 If you don't be careful you may have an accident

4 If you don't phone your parents you will have a trouble

5 If she doesn't whisper everyone knows what she is saying

6 If you stay here you will feel safe

7 If you pay electricity bill today your electricity won't be cut off

8 If you don't stop smoking your cough may be worse

9 If we don't use less fossil fuels they will be run out soon

11 If you do morning exercises regularly your body will be fitter

10 If it doesn't stop raining today, we may be faced with a serious flood 

12 If we don't renewable energy we will have nothing for the future generation

13 If we don't reduce the use of non-renewable energy the climate will change

14 If you lock all the doors no one can break into your house

15 If we don't continue hunting polar bears they will become extinct in near future

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