| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] did [vb infin] | 706 |
|
| 2 | why do [vb infin] | 26 |
|
| 3 | why [verb] [vb infin] | 26 |
|
| 4 | [Wh adv] did [vb infin] | 15 |
|
| 5 | why [vb past] [vb infin] | 7 |
|
| 6 | why did [vb infin] | 7 |
|
| 7 | why did [verb] | 7 |
|
