| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [verb] in a | 776 |
|
| 2 | [modal v] [verb] [been] [verb] in | 519 |
|
| 3 | [modal v] [verb] [verb] in a | 169 |
|
| 4 | [modal v] [verb] [been] [verb] a | 118 |
|
| 5 | [modal v] [verb] [been] in a | 45 |
|
