| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not sure [conj] it [verb] | 10 |
|
| 2 | not sure [conj] it [verb] | 9 |
|
| 3 | not sure [conj] it [vb -s] | 7 |
|
| 4 | not sure that it [verb] | 5 |
|
| 5 | not sure [that] it [verb] | 5 |
|
| 6 | not sure that it [verb] | 5 |
|
| 7 | not sure [subord] it [verb] | 5 |
|
