| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years of | 1375 |
|
| 2 | [prep] [adj] years be | 390 |
|
| 3 | [prep] [adj] be of | 66 |
|
| 4 | [adj] years be of | 5 |
|
