| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [been] [verb] for | 290 |
|
| 2 | [verb] [been] [verb] for some | 183 |
|
| 3 | [modal v] [verb] [verb] for some | 24 |
|
| 4 | [modal v] [verb] [been] [verb] some | 12 |
|
