| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why they do not [verb] | 67 |
|
| 2 | why they do [not/n't] [verb] | 67 |
|
| 3 | why they do [adv] [vb infin] | 66 |
|
| 4 | why they do n't [verb] | 48 |
|
| 5 | why they do [adv] [verb] | 41 |
|
| 6 | why they did [adv] [verb] | 26 |
|
| 7 | why they do not [verb] | 19 |
|
| 8 | why they do [adv] have | 6 |
|
| 9 | why they do [adv] have | 6 |
|
