| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is certain that [pron] | 28 |
|
| 2 | is certain that [pers pn] | 20 |
|
| 3 | is certain that they | 7 |
|
| 4 | is certain that they | 7 |
|
| 5 | is certain that he | 6 |
|
| 6 | is certain that he | 6 |
|
