| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [vb past] it [adj] | 385 |
|
| 2 | [coord] [vb past] it [adj] | 285 |
|
| 3 | [coord] [verb] it difficult | 70 |
|
| 4 | [conj] [vb past] it difficult | 36 |
|
| 5 | [coord] [vb past] [pron] difficult | 33 |
|
| 6 | [coord] [vb past] [pers pn] difficult | 32 |
|
| 7 | [coord] [vb past] it difficult | 31 |
|
| 8 | [coord] [vb past] it difficult | 31 |
|
