| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] easy [to-vb] [art] | 375 |
|
| 2 | [be] [to-vb] at [art] | 181 |
|
| 3 | [be] easy [to-vb] at | 23 |
|
| 4 | easy [to-vb] at [art] | 13 |
|
