| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] be [adj] for | 276 |
|
| 2 | [modal v] [vb infin] be [adj] for | 244 |
|
| 3 | [modal v] [vb infin] be impossible [prep] | 38 |
|
| 4 | [modal v] [vb infin] be impossible [prep] | 38 |
|
| 5 | [modal v] [vb infin] be impossible for | 12 |
|
| 6 | [modal v] [verb] be impossible for | 12 |
|
| 7 | [modal v] [vb infin] [be] impossible for | 12 |
|
| 8 | [modal v] [vb infin] be impossible for | 12 |
|
