| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] than it [verb] | 385 |
|
| 2 | [adj] than it [verb] | 130 |
|
| 3 | difficult [conj] it [verb] | 32 |
|
| 4 | difficult [subord] it [verb] | 30 |
|
| 5 | difficult than [pron] [verb] | 27 |
|
| 6 | difficult than it [verb] | 10 |
|
| 7 | difficult than it [verb] | 10 |
|
