| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] be [noun] | 279 |
|
| 2 | it be hard [noun] | 116 |
|
| 3 | it [verb] be hard | 18 |
|
| 4 | [verb] be hard [noun] | 13 |
|
| 5 | it [verb] hard [noun] | 10 |
|
