| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] difficult for | 78 |
|
| 2 | it is [adv] difficult for | 75 |
|
| 3 | it is very difficult for | 23 |
|
| 4 | it is very difficult for | 23 |
|
| 5 | it is more difficult for | 10 |
|
| 6 | it is more difficult for | 10 |
|
| 7 | it is extremely difficult for | 9 |
|
| 8 | it is extremely difficult for | 9 |
|
