| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who does [adv] [verb] | 437 |
|
| 2 | who does [adv] [vb infin] | 435 |
|
| 3 | [pron] does [adv] understand | 95 |
|
| 4 | who [verb] [adv] understand | 49 |
|
| 5 | who do [adv] understand | 49 |
|
| 6 | who [vb -s] [adv] understand | 17 |
|
| 7 | who does [adv] understand | 17 |
|
