| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] eight years | 300 |
|
| 2 | [noun prp] [prep] years | 85 |
|
| 3 | [noun prp] [prep] eight | 83 |
|
| 4 | [noun prp] eight years | 22 |
|
