| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who do [adv] understand | 49 |
|
| 2 | who do not understand | 49 |
|
| 3 | who do [not/n't] understand | 49 |
|
| 4 | who do n't understand | 27 |
|
| 5 | who do not understand | 22 |
|
| 6 | who do [adv] understand | 21 |
|
| 7 | who does [adv] understand | 17 |
|
| 8 | who did [adv] understand | 11 |
|
