| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [adv] [adj] [verb] which | 25 |
|
| 2 | it [be] [adv] [adj] [verb] which | 25 |
|
| 3 | it [be] [adv] difficult [verb] which | 8 |
|
| 4 | it [be] [adv] difficult [verb] which | 8 |
|
| 5 | it [be] [adv] possible [verb] which | 5 |
|
| 6 | it [be] [adv] possible [verb] which | 5 |
|
