| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] difficult to get | 46 |
|
| 2 | [is] difficult to get [noun] | 10 |
|
| 3 | it [is] difficult [noun] | 9 |
|
| 4 | it difficult to get [noun] | 8 |
|
| 5 | it [is] to get [noun] | 8 |
|
