| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [been] before | 7 |
|
| 2 | [vb mod] [vb infin] [been] before | 7 |
|
| 3 | [vb infin] [been] [verb] before | 35 |
|
| 4 | [vb infin] [been] [vb pp] before | 34 |
|
| 5 | [vb infin] [been] [adj] before | 5 |
|
| 6 | [vb infin] [been] [adj] before | 5 |
|
