| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] sure [Wh det] [pron] [vb mod] [vb infin] | 18 |
|
| 2 | not sure [Wh det] [pron] [vb mod] [vb infin] | 15 |
|
| 3 | [not/n't] sure [Wh det] [pron] [vb mod] [vb infin] | 15 |
|
| 4 | not sure [Wh det] [pron] [vb mod] [vb infin] | 9 |
|
| 5 | n't sure [Wh det] [pron] [vb mod] [vb infin] | 6 |
|
| 6 | sure [Wh det] [pron] [vb mod] [vb infin] [verb] | 7 |
|
| 7 | sure [Wh det] [pron] [vb mod] [vb infin] do | 6 |
|
