| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be on call [prep] [art] | 6 |
|
| 2 | be on call [prep] [art] | 6 |
|
| 3 | be on call [prep] the | 5 |
|
| 4 | be on call [prep] [noun] | 5 |
|
| 5 | be on call [prep] the | 5 |
|
