| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] used [prep] | 2697 |
|
| 2 | easily [be] used [prep] | 11 |
|
| 3 | [modal v] easily [be] used | 9 |
|
| 4 | [modal v] easily [be] [prep] | 7 |
|
