| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who do [not/n't] understand [pers pn] | 10 |
|
| 2 | who do [adv] understand [pers pn] | 10 |
|
| 3 | who do not understand [pers pn] | 10 |
|
| 4 | who do n't understand [pers pn] | 8 |
|
