| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do they [vb infin] | 264 |
|
| 2 | do they [not/n't] [vb infin] | 45 |
|
| 3 | why do [not/n't] [vb infin] | 19 |
|
| 4 | why do they [not/n't] | 15 |
|
