| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know for | 60 |
|
| 2 | do [not/n't] know for | 60 |
|
| 3 | do [adv] know for | 59 |
|
| 4 | do n't know for | 45 |
|
| 5 | do [adv] know for | 44 |
|
| 6 | do not know for | 15 |
|
| 7 | did [adv] know for | 13 |
|
