| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can not [verb] | 11727 |
|
| 2 | can not [vb infin] | 11710 |
|
| 3 | [vb mod] not understand | 413 |
|
| 4 | [modal v] not understand | 413 |
|
| 5 | can [adv] understand | 264 |
|
| 6 | can not understand | 158 |
|
| 7 | can not understand | 158 |
|
| 8 | can not understand | 158 |
|
| 9 | can [not/n't] understand | 158 |
|
