| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] why do [pers pn] [vb infin] | 19 |
|
| 2 | why why do [pron] [vb infin] | 19 |
|
| 3 | [Wh adv] why do [pron] [vb infin] | 9 |
|
| 4 | [Wh adv] why do you [vb infin] | 9 |
|
| 5 | [Wh adv] why do you [vb infin] | 9 |
|
| 6 | [Wh adv] why did [pron] [vb infin] | 7 |
|
| 7 | [Wh adv] why do [pron] think | 6 |
|
