| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what do they [vb infin] | 489 |
|
| 2 | do they [adv] [vb infin] | 284 |
|
| 3 | what do [adv] [vb infin] | 52 |
|
| 4 | what do they [adv] | 17 |
|
