| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i still do [not/n't] understand | 23 |
|
| 2 | i still do [not/n't] understand | 23 |
|
| 3 | i still do [not/n't] understand | 23 |
|
| 4 | i still do n't understand | 22 |
|
