Read and match.
1 If they had listened to the teacher,
2 If you had got up earlier,
3 They wouldn't have got lost
4 If I hadn't forgotten my mobile phone, U
5 I would have bought you a present
6 If you hadn't forgotten your jacket,

a you wouldn't have been cold.
b if I had known it was your birthday.
C I would have called you.
d they would have understood the lesson.
e you wouldn't have arrived late.
f if they had taken a map.​