| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [be] easy for us | 5 |
|
| 2 | it [modal v] [be] easy for us | 5 |
|
| 3 | it [be] easy for us [verb] | 7 |
|
| 4 | it [be] easy for us [to-vb] | 7 |
|
