| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why do n't they [verb] | 9 |
|
| 2 | [adv] why do n't they [vb infin] | 9 |
|
| 3 | [adv] why do n't they just | 5 |
|
| 4 | [adv] why do n't they [adv] | 5 |
|
| 5 | [adv] why do n't they [adv] | 5 |
|
| 6 | [adv] why do n't they just | 5 |
|
