| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not sure [conj] i [vb base] [verb] | 7 |
|
| 2 | not sure [conj] i [vb base] [vb pp] | 6 |
|
| 3 | not sure [conj] i 've [verb] | 5 |
|
