| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] difficult to make [noun] | 9 |
|
| 2 | it difficult to make [noun] | 9 |
|
| 3 | it difficult to make [noun] | 9 |
|
| 4 | [pron] difficult to make [noun pl] | 7 |
|
| 5 | [pron] difficult to make ends | 6 |
|
| 6 | [pron] difficult to make end | 6 |
|
