| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [be] sure a [noun sg] | 20 |
|
| 2 | [be] sure that a [noun sg] | 13 |
|
| 3 | i [be] sure that a | 13 |
|
| 4 | i [be] sure that [noun sg] | 8 |
|
