| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it difficult [to-vb] [adj] [noun] | 17 |
|
| 2 | found it difficult [verb] [adj] [noun] | 11 |
|
| 3 | [vb past] it difficult [verb] [adj] [noun] | 10 |
|
| 4 | [vb past] it difficult [verb] [adj] [noun pl] | 8 |
|
| 5 | [vb past] it difficult [verb] [adj] [noun sg] | 8 |
|
| 6 | [vb past] it difficult [verb] [det] [noun] | 6 |
|
| 7 | made it difficult [verb] [adj] [noun] | 6 |
|
