| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] ten years [unc] [noun sg] [pron] | 5 |
|
| 2 | [prep] ten years ' [noun sg] [pron] | 5 |
|
| 3 | [prep] ten years ' [noun sg] [pron] | 5 |
|
| 4 | [prep] ten years ['s] [noun sg] [pron] | 5 |
|
