| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] know | 157 |
|
| 2 | is [adv] know that | 149 |
|
| 3 | is [adv] know that | 147 |
|
| 4 | is [adv] [adv] that | 92 |
|
| 5 | [adv] [adv] know that | 68 |
|
