Помогите с 2,4 и 5)Пожалуйста

2) 1 for
2 since
3 since
4 for
5 for
6 since
4) 1 if jonh wins the lottery, he will go...
2 if he visits Auckland he will meet....
3 the journey will take 27 hours, if he flies....
4 he will try some adventure sports if the weather is....
5 it is doesn't too hot, if he goes...
6 if john doesn't win the lottery, he won't go...
5) 1 have you ever been to London?
2 i have studied english for eight years
3 which subjects are you going to study next year?
4 we might go out this evening
5 i will send you a text if i remember
6 it was raining all day yesterday
7 i haven't tried mountain biking
8 we have just finished until 6