| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] know | 1587 |
|
| 2 | [is] [adv] know | 1153 |
|
| 3 | [is] sometimes [verb] | 728 |
|
| 4 | [be] sometimes know | 42 |
|
| 5 | [is] sometimes know | 24 |
|
