| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [been] [adj] | 4782 |
|
| 2 | [modal v] [vb infin] [be] [det] | 488 |
|
| 3 | [modal v] [verb] [been] [det] | 370 |
|
