| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] hard [to-vb] [noun] | 80 |
|
| 2 | [noun sg] it [be] hard [to-vb] | 56 |
|
| 3 | [noun sg] it [be] [to-vb] [noun] | 28 |
|
| 4 | [noun sg] it [be] hard [noun] | 5 |
|
