| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do they [adv] [vb infin] | 284 |
|
| 2 | why do they [vb infin] | 264 |
|
| 3 | why do they [adv] | 33 |
|
| 4 | why do [adv] [vb infin] | 22 |
|
