| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] are [adv] [verb] [coord] | 277 |
|
| 2 | [pron] are [adv] difficult [verb] | 44 |
|
| 3 | are [adv] difficult [verb] [coord] | 26 |
|
| 4 | [pron] are difficult [verb] [coord] | 11 |
|
| 5 | [pron] [adv] difficult [verb] [coord] | 10 |
|
