| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [adj] [adv] | 2239 |
|
| 2 | not [adj] [adv] | 2031 |
|
| 3 | [adv] sure [adv] | 436 |
|
| 4 | [not/n't] sure [adv] | 262 |
|
| 5 | not sure [adv] | 262 |
|
| 6 | not sure [adv] | 201 |
|
