| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [verb] a [noun] | 695 |
|
| 2 | is [vb pp] [verb] a [noun] | 474 |
|
| 3 | be used [verb] a [noun] | 219 |
|
| 4 | [be] used [verb] a [noun] | 219 |
|
| 5 | is used [verb] [art] [noun] | 218 |
|
| 6 | is used [verb] [art] [noun] | 218 |
|
| 7 | is used [verb] a [noun] | 44 |
|
| 8 | is use [verb] a [noun] | 38 |
|
| 9 | [is] used [verb] a [noun] | 38 |
|
