| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he do n't understand | 77 |
|
| 2 | he [verb] n't understand | 77 |
|
| 3 | he did n't understand | 43 |
|
| 4 | he [vb past] n't understand | 43 |
|
| 5 | he [vb -s] n't understand | 31 |
|
| 6 | he does n't understand | 31 |
|
