| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] not sure whether | 163 |
|
| 2 | they [be] not sure [conj] | 9 |
|
| 3 | they [be] not sure whether | 6 |
|
| 4 | they [be] [adv] sure whether | 6 |
|
| 5 | they [be] not [adj] whether | 6 |
|
| 6 | they [be] not [adj] whether | 6 |
|
| 7 | they [be] [not/n't] sure whether | 6 |
|
| 8 | they [be] not sure whether | 5 |
|
