| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] understand | 1820 |
|
| 2 | [verb] n't understand | 1340 |
|
| 3 | [vb base] [not/n't] understand | 1177 |
|
| 4 | do [not/n't] understand | 1177 |
|
| 5 | [verb] not understand | 479 |
|
| 6 | [vb past] [not/n't] understand | 475 |
|
| 7 | did [not/n't] understand | 475 |
|
| 8 | [vb -s] [not/n't] understand | 167 |
|
| 9 | does [not/n't] understand | 167 |
|
