| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not sure [conj] [pron] [verb] [prep] | 23 |
|
| 2 | not [adj] that [pron] [verb] [prep] | 21 |
|
| 3 | [adv] sure that [pron] [verb] [prep] | 10 |
|
| 4 | not sure that [pron] [verb] [prep] | 7 |
|
| 5 | not sure [that] [pron] [verb] [prep] | 7 |
|
