| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it [is] [adj] for | 143 |
|
| 2 | and it [is] [adj] for | 125 |
|
| 3 | [conj] it [is] difficult for | 48 |
|
| 4 | and it [is] difficult [prep] | 20 |
|
| 5 | and it [is] difficult [prep] | 20 |
|
| 6 | and it [be] difficult for | 15 |
|
| 7 | [coord] it [is] difficult for | 15 |
|
| 8 | and it [is] difficult for | 11 |
|
| 9 | and [pron] [is] difficult for | 11 |
|
| 10 | and it [is] difficult for | 11 |
|
| 11 | and it [is] difficult for | 11 |
|
| 12 | and [pers pn] [is] difficult for | 11 |
|
| 13 | and it [is] difficult for | 11 |
|
