| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] eight years | 23 |
|
| 2 | [adv] for eight years | 15 |
|
| 3 | [adv] for eight years | 15 |
|
| 4 | [adv] [prep] eight years | 12 |
|
| 5 | [adv prt] [prep] eight years | 9 |
|
