| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [pron] [adj] for the | 50 |
|
| 2 | [modal v] [verb] [pron] difficult for [art] | 13 |
|
| 3 | [modal v] [verb] [pron] difficult for [art] | 13 |
|
| 4 | [modal v] [verb] [pron] difficult [prep] the | 8 |
|
| 5 | [modal v] [verb] [pron] difficult [prep] the | 8 |
|
| 6 | [modal v] [verb] [pron] difficult for the | 7 |
|
| 7 | [modal v] [verb] [pron] difficult for the | 7 |
|
