| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adj] for he | 69 |
|
| 2 | it [was/were] difficult for [pron] | 22 |
|
| 3 | it [be] difficult for he | 11 |
|
| 4 | [pron] [was/were] difficult for he | 6 |
|
| 5 | it [was/were] difficult [prep] he | 6 |
|
