| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] understand | 1820 |
|
| 2 | do n't understand | 1341 |
|
| 3 | do [not/n't] understand | 1177 |
|
| 4 | do not understand | 479 |
|
| 5 | did [not/n't] understand | 476 |
|
| 6 | does [not/n't] understand | 167 |
|
