| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] for [num] | 448 |
|
| 2 | [modal v] [verb] [been] [verb] for | 290 |
|
| 3 | [modal v] [verb] [verb] for [num] | 29 |
|
| 4 | [modal v] [verb] [been] [verb] [num] | 23 |
|
