| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [verb] | 49161 |
|
| 2 | [vb mod] have [to-vb] | 11008 |
|
| 3 | [vb mod] [verb] to know | 868 |
|
| 4 | [vb mod] [vb infin] to know | 867 |
|
| 5 | [vb mod] have know | 706 |
|
| 6 | [vb mod] have to know | 34 |
|
| 7 | [modal v] have to know | 34 |
|
