| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] [noun] | 18836 |
|
| 2 | is [vb pp] [prep] [noun] | 16453 |
|
| 3 | [be] used [prep] [noun] | 2969 |
|
| 4 | be used [prep] [noun] | 2969 |
|
| 5 | is use [prep] [noun] | 361 |
|
| 6 | [is] used [prep] [noun] | 360 |
|
