| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be sure i could [vb infin] [pron] | 8 |
|
| 2 | [be] sure i could [vb infin] [pron] | 8 |
|
| 3 | [am/are] sure i could [vb infin] [pron] | 6 |
|
| 4 | 'm sure i could [vb infin] [pron] | 6 |
|
