| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] it is [adv] [adj] [verb] | 304 |
|
| 2 | [noun] it is [adv] [adj] [verb] | 281 |
|
| 3 | [noun] it [be] [adv] difficult [verb] | 60 |
|
| 4 | [noun] it be [adv] difficult [verb] | 60 |
|
| 5 | [noun] [pron] is [adv] difficult [verb] | 54 |
|
| 6 | [noun] it [is] [adv] difficult [verb] | 49 |
|
| 7 | [noun] it is [adv] difficult [verb] | 44 |
|
| 8 | [noun] it is [adv] difficult [verb] | 37 |
|
