| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be not [adv] [adj] | 15422 |
|
| 2 | be [adv] [adv] sure | 860 |
|
| 3 | be not [adv] sure | 796 |
|
| 4 | [be] not [adv] sure | 795 |
|
