| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [adj] year ' | 316 |
|
| 2 | [noun] [prep] twenty [noun] ' | 10 |
|
| 3 | [noun] [prep] twenty year [unc] | 10 |
|
| 4 | [noun] [prep] twenty year ' | 9 |
|
| 5 | [noun] [prep] twenty year ['s] | 9 |
|
