| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [adj] year ' [noun] | 183 |
|
| 2 | to [num] year ' [noun] | 182 |
|
| 3 | [prep] 20 year ' [noun] | 29 |
|
| 4 | to 20 [noun] ' [noun] | 13 |
|
| 5 | to 20 year ['s] [noun] | 12 |
|
| 6 | to 20 year ' [noun] | 12 |
|
| 7 | to 20 year [unc] [noun] | 12 |
|
| 8 | to 20 year ' [noun] | 12 |
|
