| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be hard work [verb] | 14 |
|
| 2 | it be hard [noun sg] [verb] | 14 |
|
| 3 | it be hard work [verb] | 14 |
|
| 4 | it be hard [noun] [verb] | 13 |
|
| 5 | it be hard [noun] [v-ing] | 12 |
|
| 6 | it was hard [noun] [verb] | 7 |
|
| 7 | it 's hard [noun] [verb] | 6 |
|
