| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have be easy for | 15 |
|
| 2 | [vb mod] not have be easy | 14 |
|
| 3 | [vb mod] not be easy for | 12 |
|
| 4 | not have be easy for | 5 |
|
