| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [adv] difficult | 783 |
|
| 2 | [pron] is [adv] and | 158 |
|
| 3 | is [adv] difficult and | 38 |
|
| 4 | [pron] [adv] difficult and | 11 |
|
| 5 | [pron] is difficult and | 10 |
|
