| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adv] difficult [conj] [adj] | 7 |
|
| 2 | it [is] [adv] difficult [coord] [adj] | 7 |
|
| 3 | it [is] [adv] difficult and [adj] | 6 |
|
| 4 | it [is] [adv] difficult and [adj] | 6 |
|
| 5 | it is [adv] difficult [conj] [adj] | 5 |
|
| 6 | it [is] [adv] difficult [conj] [adj] | 5 |
|
