| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [is] [adv] difficult [verb] | 953 |
|
| 2 | [pron] [is] [adv] difficult [to-vb] | 944 |
|
| 3 | [pron] [is] [adv] [adj] to find | 274 |
|
| 4 | [pron] [is] [adv] [adj] to find | 265 |
|
| 5 | [pron] [be] [adv] difficult to find | 64 |
|
| 6 | [pron] [is] [adv] difficult find | 47 |
|
| 7 | [pron] [is] [adv] difficult to find | 47 |
|
