| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] or [vb infin] | 814 |
|
| 2 | not [verb] or [vb infin] | 433 |
|
| 3 | [modal v] not [verb] or | 226 |
|
| 4 | [modal v] not [verb] [vb infin] | 42 |
|
