| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [not/n't] know [pron] [prep] | 196 |
|
| 2 | [vb base] [not/n't] know [pron] [prep] | 196 |
|
| 3 | [vb base] [not/n't] [verb] [pron] at | 191 |
|
| 4 | [vb base] [not/n't] [vb infin] [pron] at | 158 |
|
| 5 | [verb] [not/n't] know [pron] at | 35 |
|
| 6 | [vb base] [adv] know [pron] at | 15 |
|
| 7 | [vb base] [not/n't] know [pron] at | 15 |
|
| 8 | [vb base] [not/n't] know [pron] at | 15 |
|
