| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [is] very [adj] | 241 |
|
| 2 | [verb] it [is] [adv] difficult | 48 |
|
| 3 | [verb] it [is] [adv] difficult | 47 |
|
| 4 | [verb] it [be] very difficult | 28 |
|
| 5 | [verb] it [is] very difficult | 23 |
|
| 6 | [verb] [pron] [is] very difficult | 23 |
|
