| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know at the time that | 5 |
|
| 2 | [not/n't] know at the time that | 5 |
|
| 3 | [adv] know at the time that | 5 |
|
| 4 | know at the same time that | 5 |
|
| 5 | know at the [adj] time that | 5 |
|
| 6 | know at the [det] time that | 5 |
|
| 7 | know at the same time that | 5 |
|
| 8 | know at the time that [pron] | 5 |
|
