| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] be difficult for | 81 |
|
| 2 | [pron] [vb mod] have be difficult | 49 |
|
| 3 | [pron] [vb mod] have be for | 25 |
|
| 4 | [vb mod] have be difficult for | 20 |
|
