| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun sg] [verb] been [prep] operation | 12 |
|
| 2 | [noun] [noun sg] [verb] been [prep] operation | 7 |
|
| 3 | [noun sg] [noun sg] [verb] been [prep] operation | 6 |
|
| 4 | [adj] [noun sg] [verb] been [prep] operation | 6 |
|
| 5 | [det] [noun sg] [verb] been [prep] operation | 5 |
|
| 6 | [art] [noun sg] [verb] been [prep] operation | 5 |
|
| 7 | [art] [noun sg] [verb] been [prep] operation | 5 |
|
| 8 | [noun sg] [noun] [verb] been [prep] operation | 7 |
|
| 9 | [noun sg] [noun sg] [verb] been [prep] operation | 6 |
|
| 10 | [noun sg] [verb] been [prep] operation [prep] | 19 |
|
| 11 | [noun sg] [verb] been [prep] operation [prep] | 19 |
|
| 12 | [noun sg] [verb] been [prep] operation for | 11 |
|
| 13 | [noun sg] [verb] been [prep] operation for | 11 |
|
| 14 | [noun sg] [verb] been [prep] operation since | 5 |
|
| 15 | [noun sg] [verb] been [prep] operation since | 5 |
|
