| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [adv] difficult [verb] | 214 |
|
| 2 | that it 's [adv] [verb] | 68 |
|
| 3 | that it 's [adv] difficult | 13 |
|
| 4 | that it 's difficult [verb] | 8 |
|
