| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know be | 110 |
|
| 2 | not know [be] | 110 |
|
| 3 | not know [was/were] | 62 |
|
| 4 | not [verb] were | 47 |
|
| 5 | [adv] know were | 15 |
|
