| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] it [be] hard [to-vb] [noun] | 6 |
|
| 2 | [noun sg] it be hard [to-vb] [noun] | 6 |
|
| 3 | [noun sg] it [is] hard [to-vb] [noun] | 5 |
|
| 4 | [noun sg] it is hard [to-vb] [noun] | 5 |
|
