| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it is [adj] [adv] [verb] | 24 |
|
| 2 | and it is [adj] [adv] [verb] | 21 |
|
| 3 | [conj] it is difficult [adv] [verb] | 15 |
|
| 4 | [coord] it is difficult [adv] [verb] | 11 |
|
| 5 | and it [is] difficult [adv] [verb] | 8 |
|
| 6 | and it be difficult [adv] [verb] | 8 |
|
| 7 | and it [be] difficult [adv] [verb] | 8 |
|
| 8 | and it is difficult [adv] [verb] | 7 |
|
| 9 | and it is difficult [adv] [verb] | 7 |
|
| 10 | and [pers pn] is difficult [adv] [verb] | 7 |
|
| 11 | and it is difficult [adv] [verb] | 7 |
|
| 12 | and [pron] is difficult [adv] [verb] | 7 |
|
