| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [pers pn] [verb] | 1150 |
|
| 2 | why did [pers pn] [vb infin] | 1149 |
|
| 3 | why do [pers pn] let | 37 |
|
| 4 | why [verb] [pers pn] let | 37 |
|
| 5 | [adv] did [pers pn] let | 31 |
|
| 6 | why [vb past] [pers pn] let | 28 |
|
| 7 | why did [pers pn] let | 28 |
|
| 8 | why did [pron] let | 28 |
|
