| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 15 years ' [noun sg] | 29 |
|
| 2 | 15 years ' [noun sg] | 29 |
|
| 3 | 15 years ['s] [noun sg] | 29 |
|
| 4 | 15 years [unc] imprisonment | 14 |
|
