| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] know [is] | 179 |
|
| 2 | [vb base] know [is] | 132 |
|
| 3 | do [verb] [is] | 119 |
|
| 4 | do know [is] | 56 |
|
| 5 | do know [be] | 54 |
|
