| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be difficult for [pron] [to-vb] | 73 |
|
| 2 | it be difficult [prep] [pers pn] [to-vb] | 68 |
|
| 3 | it is difficult [prep] [pron] [to-vb] | 41 |
|
| 4 | it was difficult [prep] [pron] [to-vb] | 18 |
|
| 5 | it be difficult [prep] we [to-vb] | 15 |
|
| 6 | it be difficult [prep] them [to-vb] | 15 |
|
| 7 | it be difficult [prep] they [to-vb] | 15 |
|
| 8 | it be difficult [prep] us [to-vb] | 15 |
|
| 9 | it 's difficult [prep] [pron] [to-vb] | 14 |
|
| 10 | it be difficult [prep] i [to-vb] | 13 |
|
| 11 | it be difficult [prep] me [to-vb] | 13 |
|
| 12 | it be difficult [prep] him [to-vb] | 10 |
|
| 13 | it be difficult [prep] he [to-vb] | 10 |
|
| 14 | it be difficult [prep] you [to-vb] | 7 |
|
| 15 | it be difficult [prep] you [to-vb] | 7 |
|
| 16 | it be difficult [prep] her [to-vb] | 7 |
|
| 17 | it be difficult [prep] she [to-vb] | 7 |
|
| 18 | it be difficult [prep] anyone [to-vb] | 5 |
|
| 19 | it be difficult [prep] [indef pn] [to-vb] | 5 |
|
| 20 | it be difficult [prep] anyone [to-vb] | 5 |
|
