No | Pattern | Freq | Relations |
---|---|---|---|
1 | do [not/n't] know at the time | 13 | |
2 | [verb] [not/n't] know at the time | 13 | |
3 | did [not/n't] know at the time | 11 | |
4 | [vb past] [not/n't] know at the time | 11 | |
5 | [not/n't] know [pron] at the time | 13 | |
6 | [not/n't] know [pers pn] at the time | 13 | |
7 | [not/n't] know it at the time | 12 | |
8 | [not/n't] know it at the time | 12 |