| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [adv] [verb] for | 613 |
|
| 2 | did [adv] know [prep] | 290 |
|
| 3 | [verb] [adv] know for | 88 |
|
| 4 | do [adv] know for | 60 |
|
| 5 | [vb past] [adv] know for | 27 |
|
