| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know when it be | 22 |
|
| 2 | know when it [be] | 22 |
|
| 3 | know when it [is] | 16 |
|
| 4 | know when it 's | 9 |
|
| 5 | know when it is | 7 |
|
| 6 | know when it was | 6 |
|
| 7 | know when it [was/were] | 6 |
|
