| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] why they [verb] [pers pn] | 45 |
|
| 2 | understand why [pron] [verb] [pers pn] | 20 |
|
| 3 | understand why [pers pn] [verb] [pers pn] | 20 |
|
| 4 | understand why they [verb] [pron] | 6 |
|
| 5 | understand why they [verb] [pers pn] | 5 |
|
| 6 | understand [adv] they [verb] [pers pn] | 5 |
|
