| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] sure whether it | 45 |
|
| 2 | [adv] whether it [is] | 44 |
|
| 3 | [adv] sure it [is] | 39 |
|
| 4 | sure whether it [is] | 20 |
|
