| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know how they | 159 |
|
| 2 | know how they | 76 |
|
| 3 | know how they | 38 |
|
| 4 | to know how they | 17 |
|
| 5 | knows how they | 15 |
|
| 6 | knowing how they | 9 |
|
