| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] n't know [pron] about | 202 |
|
| 2 | do n't know [pron] about | 201 |
|
| 3 | did n't [vb infin] [pron] about | 143 |
|
| 4 | did n't [verb] [pron] about | 143 |
|
| 5 | did n't know [pron] [prep] | 98 |
|
| 6 | did n't know [pron] [prep] | 98 |
|
| 7 | did [adv] know [pron] about | 62 |
|
| 8 | did not know [pron] about | 62 |
|
| 9 | did [not/n't] know [pron] about | 62 |
|
| 10 | did n't know [pron] about | 58 |
|
| 11 | [vb past] n't know [pron] about | 58 |
|
| 12 | did n't know [pron] about | 58 |
|
