| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] ten years | 782 |
|
| 2 | [noun prp] [prep] ten | 116 |
|
| 3 | [noun prp] [prep] years | 85 |
|
| 4 | [noun prp] ten years | 21 |
|
