| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] to know [prep] | 7 |
|
| 2 | they [vb past] to know about | 6 |
|
| 3 | they [vb past] to know [prep] | 6 |
|
| 4 | they [vb past] to know about | 6 |
|
