| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [vb infin] [pron] | 23745 |
|
| 2 | [modal v] [vb infin] [pron] know | 277 |
|
| 3 | [modal v] [not/n't] [pron] know | 35 |
|
| 4 | [not/n't] [vb infin] [pron] know | 30 |
|
