| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] difficult assess | 11 |
|
| 2 | it is [adv] difficult assess | 11 |
|
| 3 | it is difficult assess [art] | 21 |
|
| 4 | it is difficult assess the | 21 |
|
| 5 | it is difficult assess [art] | 21 |
|
| 6 | it is difficult assess the | 21 |
|
| 7 | it is difficult assess [pron] | 5 |
|
| 8 | it is difficult assess [conj] | 5 |
|
| 9 | it is difficult assess whether | 5 |
|
| 10 | it is difficult assess whether | 5 |
|
| 11 | it is difficult assess [subord] | 5 |
|
