| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] [verb] | 92385 |
|
| 2 | [verb] [not/n't] understand | 1905 |
|
| 3 | do [not/n't] understand | 1821 |
|
| 4 | [vb base] [not/n't] understand | 1195 |
|
| 5 | do [adv] understand | 1180 |
|
