В первом задании необходимо поставить правильное время, помогите пожалуйста

Ex 1

2 I have never been . was 3 was never let 4 is was 5 have been trying got 6 freezes

Ex 2

1 --- 2 The 3 A a 4 The/A 5 ------ 6 The 7 the ---

Ex 3

1 to 2 for 3 forto 4 on 5 in

1. I have never been to Indiana, but I was in Pakistan last summer.
2.When I was a child, my parents never let me to watch TV after 8 p.m.
3.She is sixteen now, but I thought she was older.
4. They are trying to find a solution to this problem ever since I get (здесь я не уверен) to know them.
5.When the lake is frozen, it'll be safe for ice-skating.