| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [is] difficult [to-vb] | 192 |
|
| 2 | [coord] it is difficult [verb] | 161 |
|
| 3 | and it [is] difficult [verb] | 100 |
|
| 4 | but it [is] difficult [verb] | 94 |
|
| 5 | [coord] it [is] difficult to see | 38 |
|
| 6 | [coord] it [is] difficult see | 38 |
|
| 7 | [coord] it 's difficult [verb] | 33 |
|
| 8 | [coord] it [is] difficult to imagine | 9 |
|
| 9 | [coord] it [is] difficult imagine | 9 |
|
| 10 | [coord] it [is] difficult to believe | 8 |
|
| 11 | [coord] it [is] difficult know | 8 |
|
| 12 | [coord] it [is] difficult to know | 8 |
|
| 13 | [coord] it [is] difficult believe | 8 |
|
| 14 | [coord] it [is] difficult get | 7 |
|
| 15 | [coord] it [is] difficult to get | 7 |
|
| 16 | [coord] it [is] difficult to find | 6 |
|
| 17 | [coord] it [is] difficult find | 6 |
|
| 18 | [coord] it [is] difficult decide | 5 |
|
| 19 | [coord] it [is] difficult to decide | 5 |
|
