| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb past] it very difficult | 21 |
|
| 2 | [pers pn] found [pers pn] very difficult | 17 |
|
| 3 | i [vb past] [pers pn] very difficult | 8 |
|
| 4 | he [vb past] [pers pn] very difficult | 5 |
|
| 5 | she [vb past] [pers pn] very difficult | 5 |
|
