| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [adv] [pron] [vb infin] | 1257 |
|
| 2 | do [adv] [pron] [vb infin] [conj] | 174 |
|
| 3 | why do [pron] [vb infin] [conj] | 31 |
|
| 4 | why do [adv] [pron] [conj] | 6 |
|
