| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be used [prep] the [noun] | 169 |
|
| 2 | [prep] be [vb pp] [prep] the operation | 12 |
|
| 3 | [prep] be [verb] [prep] the operation | 12 |
|
| 4 | [prep] be used [prep] [art] operation | 9 |
|
| 5 | [prep] be used [prep] the operation | 9 |
|
| 6 | [prep] be use [prep] the operation | 9 |
|
| 7 | [prep] be used [prep] the operation | 9 |
|
| 8 | [prep] be used [prep] [art] operation | 9 |
|
| 9 | [prep] [be] used [prep] the operation | 9 |
|
