Помогите раскрыть скобки (7 класс)

1 if it ... (not/be) cold, they wouldn't have lit the fire.

2 if she studied more, she ... (be) a better student.

3 they ... (not/see) the Queen if they hadn't visited London on that day.

4 if you should win that competition, you ... (be) rich.

5 if i lived in France, l ... (speak) French well.

6 if they ... (lock) the doors, the burglars wouldn't have got in.

7 we ... (have) a party if Alan passes his driving test.

8 i ... (give) John your message if i should see him today.

9 they ... (not/have) any money if their cousin hadn't lent them some.

10 those plants ... (not/grow) if you don't water them.

11 i would buy that bag if it ... (be) cheaper.

12 if she ... (open) the letter, she would have been surprised.

1. if it (hadn't been) cold, they wouldn't have lit the fire.

2 if she studied more, she (would be) a better student.

3 they (wouldn't have seen) the Queen if they hadn't visited London on that day.

5 if i lived in France, I (would speak) French well.

6 if they (had locked) the doors, the burglars wouldn't have got in.

7 we (shall have) a party if Alan passes his driving test.

9 they (wouldn't have had) any money if their cousin hadn't lent them some.

10 those plants (won't grow) if you don't water them.

11 i would buy that bag if it (were) cheaper.

12 if she (had opened) the letter, she would have been surprised.

В предложениях #4 и #8 точно нужно should? Оно тут ни к месту.

4 If you should win that competition, you (be) rich.

8 I ... (give) John your message if i should see him today.

Должно быть так:

4 If you win that competition, you (will be) rich.

8 I (will give) John your message if i see him today.

ИЛИ так:

4 If you won that competition, you (would be) rich.

8 I (would give) John your message if I saw him today.

ИЛИ так:

4 If you had won that competition, you (would have been) rich.

8 I (would have given) John your message if I had seen him today.