| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] year and [pron] [verb] | 38 |
|
| 2 | [prep] twenty year [pron] [verb] | 9 |
|
| 3 | [prep] twenty year and [pron] | 8 |
|
| 4 | twenty year and [pron] [verb] | 8 |
|
| 5 | [prep] twenty year and [verb] | 7 |
|
| 6 | [prep] twenty and [pron] [verb] | 5 |
|
