| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] used [prep] [det] [noun] | 554 |
|
| 2 | is used [prep] [det] [noun] | 68 |
|
| 3 | is [be] used [prep] [noun] | 31 |
|
| 4 | is [be] used [prep] [det] | 10 |
|
