| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | year [prep] [noun prp] | 2646 |
|
| 2 | twenty year [prep] | 255 |
|
| 3 | twenty [prep] [noun prp] | 20 |
|
| 4 | twenty year [noun prp] | 7 |
|
