| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [that] i can [vb infin] | 19 |
|
| 2 | not sure i can [vb infin] | 16 |
|
| 3 | not sure [that] i can | 10 |
|
| 4 | sure [that] i can [vb infin] | 7 |
|
