| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reason why we do [adv] [vb infin] | 6 |
|
| 2 | reason [Wh adv] we do [adv] [vb infin] | 6 |
|
| 3 | reason why we do [adv] [vb infin] | 6 |
|
| 4 | reason [adv] we do [adv] [vb infin] | 6 |
|
