| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [prep] [num] years | 905 |
|
| 2 | [verb] [prep] [num] years ' | 148 |
|
| 3 | be [prep] [num] years ' | 59 |
|
| 4 | be [verb] [num] years ' | 8 |
|
