| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] this [noun sg] | 134 |
|
| 2 | is why [adj] [noun sg] | 42 |
|
| 3 | be why this [noun sg] | 16 |
|
| 4 | [be] why this [noun sg] | 16 |
|
| 5 | [is] why this [noun sg] | 14 |
|
| 6 | is why [det] [noun sg] | 13 |
|
| 7 | is why this [noun sg] | 7 |
|
| 8 | is why this [noun] | 7 |
|
