| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [verb] at the time | 82 |
|
| 2 | not [vb infin] at the time | 40 |
|
| 3 | not know at the [noun sg] | 21 |
|
| 4 | not know at the [noun] | 21 |
|
| 5 | not know at the time | 19 |
|
| 6 | [adv] know at the time | 15 |
|
| 7 | not know at [art] time | 14 |
|
| 8 | not know at the time | 14 |
|
| 9 | not know [prep] the time | 14 |
|
