| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what do they [adv] [vb infin] [prep] | 5 |
|
| 2 | what do they [adv] [vb infin] [prep] | 5 |
|
| 3 | what do they [adv] [vb infin] [prep] | 5 |
|
