| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] it 's [adv] difficult [verb] | 8 |
|
| 2 | that it 's [adv] difficult [verb] | 8 |
|
| 3 | [that] it 's [adv] difficult [to-vb] | 8 |
|
| 4 | [that] it 's very difficult [verb] | 6 |
|
| 5 | [that] it 's very difficult [verb] | 6 |
|
