| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [be] [adj] [to-vb] [noun] | 29 |
|
| 2 | [Wh det] it [be] [adj] [to-vb] [noun] | 27 |
|
| 3 | [Wh det] it [be] difficult [verb] [noun] | 5 |
|
| 4 | [Wh det] [pron] [be] difficult [to-vb] [noun] | 5 |
|
| 5 | [Wh det] [pers pn] [be] difficult [to-vb] [noun] | 5 |
|
| 6 | [pron] it [be] difficult [to-vb] [noun] | 5 |
|
| 7 | [Wh det] it [be] difficult [to-vb] [noun] | 5 |
|
| 8 | [Wh det] it [be] difficult [to-vb] [noun] | 5 |
|
