| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the reason why this [noun sg] | 17 |
|
| 2 | the reason why this [noun sg] | 17 |
|
| 3 | the reason [Wh adv] this [noun sg] | 17 |
|
| 4 | the reasons [adv] this [noun sg] | 10 |
|
| 5 | the reason [adv] this [noun sg] | 7 |
|
