| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to 20 years ' [noun] | 12 |
|
| 2 | to 20 years ' imprisonment | 12 |
|
| 3 | to 20 years ' imprisonment | 12 |
|
| 4 | to 20 years ' [noun sg] | 12 |
|
