| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adj] for | 3848 |
|
| 2 | was [adj] for | 3593 |
|
| 3 | [be] difficult for | 460 |
|
| 4 | be difficult for | 460 |
|
| 5 | was difficult [prep] | 94 |
|
| 6 | was difficult [prep] | 94 |
|
| 7 | [was/were] difficult for | 69 |
|
| 8 | was difficult for | 63 |
|
| 9 | was difficult for | 63 |
|
