| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [not/n't] [vb infin] [prep] | 11322 |
|
| 2 | [modal v] [not/n't] [vb infin] know | 186 |
|
| 3 | [modal v] [vb infin] know [prep] | 134 |
|
| 4 | [modal v] [not/n't] know [prep] | 80 |
|
| 5 | [not/n't] [vb infin] know [prep] | 51 |
|
