| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] [verb] that [adj] | 725 |
|
| 2 | [be] [adj] [verb] that [adj] | 697 |
|
| 3 | [be] difficult [verb] [conj] [adj] | 76 |
|
| 4 | [be] difficult [verb] that [adj] | 32 |
|
