| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] hard | 1827 |
|
| 2 | it be hard | 1827 |
|
| 3 | it [is] hard | 1384 |
|
| 4 | it is hard | 814 |
|
| 5 | it 's hard | 570 |
|
| 6 | it [was/were] hard | 440 |
|
| 7 | it was hard | 439 |
|
| 8 | it [adv] hard | 118 |
|
| 9 | it [adv] hard | 118 |
|
| 10 | it very hard | 55 |
|
| 11 | it very hard | 55 |
|
| 12 | it [verb] hard | 38 |
|
| 13 | it [vb -s] hard | 25 |
|
| 14 | it [art] hard | 23 |
|
| 15 | it [art] hard | 23 |
|
| 16 | it so hard | 20 |
|
| 17 | it so hard | 20 |
|
| 18 | it the hard | 16 |
|
| 19 | it the hard | 16 |
|
| 20 | it [vb past] hard | 13 |
|
| 21 | it seem hard | 11 |
|
| 22 | it seems hard | 8 |
|
| 23 | it a hard | 7 |
|
| 24 | it a hard | 7 |
|
| 25 | it become hard | 7 |
|
| 26 | it becomes hard | 6 |
|
| 27 | it quite hard | 6 |
|
| 28 | it quite hard | 6 |
|
| 29 | it extremely hard | 5 |
|
| 30 | it extremely hard | 5 |
|
