| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] sure [conj] i [vb base] | 43 |
|
| 2 | [not/n't] [adj] that i [vb base] | 31 |
|
| 3 | [not/n't] sure that [pron] [vb base] | 29 |
|
| 4 | [not/n't] sure that i [verb] | 29 |
|
| 5 | [adv] sure that i [vb base] | 26 |
|
