| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] on [det] [noun pl] | 407 |
|
| 2 | be working on [adj] [noun pl] | 56 |
|
| 3 | be working on [det] [noun] | 46 |
|
| 4 | be [v-ing] on [det] [noun pl] | 46 |
|
| 5 | be working [prep] [det] [noun pl] | 26 |
|
| 6 | be work on [det] [noun pl] | 15 |
|
| 7 | [be] working on [det] [noun pl] | 14 |
|
