| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] why do they | 38 |
|
| 2 | [conj] why do they | 37 |
|
| 3 | and why do they | 22 |
|
| 4 | and why do they | 22 |
|
| 5 | [conj] why do they | 21 |
|
| 6 | [conj] why did they | 17 |
|
| 7 | but why do they | 16 |
|
| 8 | but why do they | 16 |
|
