| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] [pron] [vb infin] | 1965 |
|
| 2 | [adv] why do [adv] [pron] | 252 |
|
| 3 | [adv] why do [pron] [vb infin] | 252 |
|
| 4 | [adv] do [adv] [pron] [vb infin] | 101 |
|
