| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] [pron] is [adj] for | 241 |
|
| 2 | [conj] [pron] is difficult for | 44 |
|
| 3 | [that] [pron] [be] difficult for | 25 |
|
| 4 | [that] [pron] be difficult for | 25 |
|
| 5 | [that] [pron] is difficult [prep] | 21 |
|
| 6 | [that] [pron] [is] difficult for | 18 |
|
