| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] [pron] at the time | 16 |
|
| 2 | [not/n't] know [pron] at the time | 13 |
|
| 3 | [adv] know [pron] at the time | 13 |
|
| 4 | not know [pron] at the time | 13 |
|
| 5 | not know [pron] at the time | 6 |
|
| 6 | not know [pron] at [art] time | 6 |
|
| 7 | not know [pron] at [art] time | 6 |
|
| 8 | not know [pron] at the [noun sg] | 6 |
|
| 9 | not know [pron] [prep] the time | 6 |
|
| 10 | not know [pron] at the time | 6 |
|
| 11 | not know [pron] at the [noun] | 6 |
|
