| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [am/are] sure that a [noun sg] | 7 |
|
| 2 | i [be] sure that a [noun sg] | 7 |
|
| 3 | i [be] sure that a [noun sg] | 7 |
|
| 4 | i be sure that a [noun sg] | 7 |
|
