| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [to-vb] why the [noun] | 41 |
|
| 2 | [adj] [to-vb] why the [noun sg] | 27 |
|
| 3 | easy [to-vb] why the [noun] | 16 |
|
| 4 | [adj] to see why the [noun] | 14 |
|
| 5 | [adj] to explain why the [noun] | 11 |
|
| 6 | difficult [to-vb] why the [noun] | 10 |
|
| 7 | [adj] to understand why the [noun] | 10 |
|
| 8 | [adj] [to-vb] why the [noun pl] | 8 |
|
| 9 | [adj] [to-vb] why the [noun prp] | 5 |
|
