| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't they just [vb infin] | 16 |
|
| 2 | why do n't they just [vb infin] | 16 |
|
| 3 | [Wh adv] do n't they just [vb infin] | 16 |
|
| 4 | [adv] do n't they just [vb infin] | 9 |
|
| 5 | [adv] did n't they just [vb infin] | 7 |
|
