| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be difficult [verb] [adv] [adj] | 104 |
|
| 2 | it be [adj] [verb] [adv] these | 21 |
|
| 3 | it be [adj] [verb] [adv] these | 21 |
|
| 4 | it [be] difficult [verb] [adv] these | 5 |
|
| 5 | [pers pn] be difficult [verb] [adv] these | 5 |
|
| 6 | it be difficult [verb] [adv] these | 5 |
|
| 7 | [pron] be difficult [verb] [adv] these | 5 |
|
| 8 | it be difficult [verb] [adv] these | 5 |
|
