| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be sure that [pers pn] [verb] [pers pn] | 7 |
|
| 2 | be sure that [pers pn] [vb past] [pron] | 7 |
|
| 3 | be sure that [pers pn] [vb base] [pron] | 6 |
|
| 4 | be sure that they [verb] [pron] | 6 |
|
