| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [vb past] it difficult | 31 |
|
| 2 | [coord] found [pers pn] difficult | 26 |
|
| 3 | and [vb past] [pers pn] difficult | 21 |
|
| 4 | but [vb past] [pers pn] difficult | 10 |
|
| 5 | [coord] made [pers pn] difficult | 6 |
|
