| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why should [pron] [verb] [adv prt] | 22 |
|
| 2 | why should i [verb] [adv] | 16 |
|
| 3 | [adv] should i [verb] [adv prt] | 16 |
|
| 4 | why [modal v] i [verb] [adv prt] | 12 |
|
