| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] for we [to-vb] [art] | 50 |
|
| 2 | difficult for [pron] [to-vb] [art] | 36 |
|
| 3 | difficult [prep] we [to-vb] [art] | 7 |
|
| 4 | difficult for we [verb] [art] | 7 |
|
| 5 | difficult for we [to-vb] [art] | 7 |
|
