| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be why they 've [verb] | 11 |
|
| 2 | [is] why they 've [verb] | 11 |
|
| 3 | [be] why they 've [verb] | 11 |
|
| 4 | 's why they 've [verb] | 9 |
|
| 5 | [verb] why they 've [verb] | 6 |
|
| 6 | [vb infin] why they 've [verb] | 5 |
|
| 7 | why they 've [verb] [adj] | 7 |
|
| 8 | why they 've [verb] [pron] | 6 |
|
| 9 | why they 've [verb] [pers pn] | 6 |
|
