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1. It's two years since I saw her
→ I haven't .....................................
2. She gave him a ticket to the concert
→ He ...................................
3.The house will have to be redecorated
→ We ..........................
4. Whe I was a child, I often followed my mother to the market
→ I used .......................................
5. Study harder or you will fail the exam
→ If ............................................
6.Nobody has seen him for ages
→ he .............................
7. They often went to Vung Tau at weekends
→ They used .............................................