| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [prep] be | 13662 |
|
| 2 | [prep] not be | 451 |
|
| 3 | [vb infin] [prep] not | 66 |
|
| 4 | [vb infin] not be | 17 |
|
