| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] clear that | 290 |
|
| 2 | is [adv] [adv] that | 92 |
|
| 3 | is [adv] [adv] clear | 57 |
|
| 4 | [adv] [adv] clear that | 26 |
|
