| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and [vb past] it difficult | 15 |
|
| 2 | [noun] and found [pers pn] difficult | 10 |
|
| 3 | [noun sg] and [vb past] [pers pn] difficult | 9 |
|
| 4 | [noun pl] and [vb past] [pers pn] difficult | 6 |
|
| 5 | [noun] and made [pers pn] difficult | 5 |
|
