| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [vb -s] it difficult | 25 |
|
| 2 | [det] makes [pers pn] difficult | 25 |
|
| 3 | this [vb -s] [pers pn] difficult | 19 |
|
| 4 | that [vb -s] [pers pn] difficult | 5 |
|
