| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that they have known | 8 |
|
| 2 | that they [verb] known | 8 |
|
| 3 | that they [verb] known | 8 |
|
| 4 | that they had known | 7 |
|
| 5 | that they [vb past] known | 7 |
|
