| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] also [adv] difficult [verb] | 7 |
|
| 2 | it [is] also [adv] difficult [verb] | 7 |
|
| 3 | it [is] also difficult [verb] [prep] | 5 |
|
| 4 | it [is] also difficult [verb] [prep] | 5 |
|
