| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [be] | 24382 |
|
| 2 | [modal v] [vb infin] be | 24380 |
|
| 3 | [modal v] [verb] been | 21577 |
|
| 4 | [modal v] [vb infin] [been] | 21446 |
|
