| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] [verb] about this | 13 |
|
| 2 | [vb past] [pers pn] [vb infin] about this | 10 |
|
| 3 | did [pers pn] [verb] about this | 9 |
|
| 4 | [vb past] [pers pn] know about this | 7 |
|
| 5 | [vb past] you [verb] about this | 6 |
|
| 6 | [vb past] [pers pn] know about this | 5 |
|
