| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [pron] [verb] | 4784 |
|
| 2 | be [pron] know | 560 |
|
| 3 | [be] [pron] know | 560 |
|
| 4 | [is] [pron] know | 250 |
|
