| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do they [adv] [vb infin] [pron] | 7 |
|
| 2 | why do they [adv] [vb infin] [pron] | 7 |
|
| 3 | why do they [adv] [vb infin] [pron] | 5 |
|
