| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] do [vb infin] | 727 |
|
| 2 | [Wh adv] do [vb infin] | 30 |
|
| 3 | why do [vb infin] | 26 |
|
| 4 | why [verb] [vb infin] | 26 |
|
| 5 | why do [verb] | 16 |
|
| 6 | why do [vb infin] | 14 |
|
| 7 | why [vb base] [vb infin] | 14 |
|
