| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [to-vb] [det] | 2647 |
|
| 2 | [modal v] [verb] [been] [det] | 370 |
|
| 3 | [modal v] [verb] [been] [to-vb] | 134 |
|
| 4 | [verb] [been] [to-vb] [det] | 65 |
|
