| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] | 170349 |
|
| 2 | [modal v] not [verb] | 44079 |
|
| 3 | [modal v] not be | 25780 |
|
| 4 | not be [verb] | 19869 |
|
