| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] hard [to-vb] | 1070 |
|
| 2 | [is] not hard [to-vb] | 103 |
|
| 3 | it [is] not hard | 83 |
|
| 4 | it [is] not [to-vb] | 55 |
|
