| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] how the [noun sg] | 200 |
|
| 2 | [vb infin] to know the [noun sg] | 50 |
|
| 3 | to know how the [noun sg] | 30 |
|
| 4 | [vb infin] to know how the | 9 |
|
