| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be sure that it is | 17 |
|
| 2 | am sure that [pers pn] is | 17 |
|
| 3 | be sure that [pers pn] is | 10 |
|
| 4 | be sure that he is | 10 |
|
