| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he do [not/n't] know whether he | 9 |
|
| 2 | he [verb] [not/n't] know whether he | 9 |
|
| 3 | he [verb] [not/n't] know whether he | 9 |
|
| 4 | he did [not/n't] know whether he | 7 |
|
| 5 | he [vb past] [not/n't] know whether he | 7 |
|
| 6 | he [verb] n't know whether he | 6 |
|
