| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] why it [verb] | 124 |
|
| 2 | be why it [verb] | 91 |
|
| 3 | [be] why it [verb] | 91 |
|
| 4 | [is] why it [verb] | 85 |
|
| 5 | [vb infin] why it [verb] | 46 |
|
| 6 | 's why it [verb] | 46 |
|
| 7 | [noun] why it [verb] | 41 |
|
| 8 | is why it [verb] | 39 |
|
| 9 | [conj] why it [verb] | 36 |
|
| 10 | [coord] why it [verb] | 35 |
|
| 11 | reason why it [verb] | 33 |
|
| 12 | and why it [verb] | 30 |
|
| 13 | and why it [verb] | 30 |
|
| 14 | know why it [verb] | 28 |
|
| 15 | [to-vb] why it [verb] | 26 |
|
| 16 | [noun sg] why it [verb] | 24 |
|
| 17 | [adv] why it [verb] | 24 |
|
| 18 | explain why it [verb] | 23 |
|
| 19 | wonder why it [verb] | 18 |
|
| 20 | [prep] why it [verb] | 18 |
|
| 21 | [prep] why it [verb] | 18 |
|
| 22 | know why it [verb] | 17 |
|
| 23 | reason why it [verb] | 17 |
|
| 24 | [adv] why it [verb] | 16 |
|
| 25 | reasons why it [verb] | 16 |
|
| 26 | [noun pl] why it [verb] | 16 |
|
| 27 | [vb base] why it [verb] | 13 |
|
| 28 | understand why it [verb] | 13 |
|
| 29 | [vb -s] why it [verb] | 12 |
|
| 30 | ask why it [verb] | 12 |
|
