| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] [to-vb] such [art] | 31 |
|
| 2 | it is [adj] [to-vb] such [art] | 31 |
|
| 3 | it is difficult [to-vb] [adj] [art] | 6 |
|
| 4 | it is difficult [to-vb] such [art] | 5 |
|
| 5 | it is difficult [to-vb] such [art] | 5 |
|
| 6 | it be difficult [to-vb] such [art] | 5 |
|
| 7 | [pers pn] is difficult [to-vb] such [art] | 5 |
|
| 8 | it [is] difficult [to-vb] such [art] | 5 |
|
| 9 | it is difficult [verb] such [art] | 5 |
|
| 10 | it [be] difficult [to-vb] such [art] | 5 |
|
| 11 | [pron] is difficult [to-vb] such [art] | 5 |
|
