| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [pron] [be] [verb] [conj] | 1519 |
|
| 2 | [coord] [pron] [be] difficult [verb] | 263 |
|
| 3 | [pron] [be] difficult [verb] [conj] | 258 |
|
| 4 | [coord] [pron] [be] difficult [conj] | 6 |
|
| 5 | [coord] [be] difficult [verb] [conj] | 6 |
|
