| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be sure i [vb mod] | 196 |
|
| 2 | be sure i [modal v] | 196 |
|
| 3 | be sure [pron] could | 99 |
|
| 4 | be [adj] i could | 98 |
|
| 5 | be sure i could | 30 |
|
| 6 | [be] sure i could | 30 |
|
