| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] year [vb base] [prep] | 60 |
|
| 2 | [num] year [vb base] be | 53 |
|
| 3 | [num] year be [prep] | 36 |
|
| 4 | [num] [vb base] be [prep] | 20 |
|
| 5 | year [vb base] be [prep] | 8 |
|
