| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be sure that [pron] [prep] | 7 |
|
| 2 | [pers pn] be sure that [pron] [prep] | 7 |
|
| 3 | i be sure that [pron] [prep] | 6 |
|
| 4 | i be sure that [pron] [prep] | 6 |
|
| 5 | be sure that [pron] [verb] [prep] | 9 |
|
| 6 | be sure that [pron] [be] [prep] | 6 |
|
| 7 | be sure that [pron] be [prep] | 6 |
|
| 8 | be sure that [pron] [was/were] [prep] | 5 |
|
