| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be on [det] [noun] | 471 |
|
| 2 | be working on [noun] | 111 |
|
| 3 | working on [det] [noun] | 102 |
|
| 4 | be working on [det] | 89 |
|
| 5 | be working [det] [noun] | 44 |
|
