| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] on | 7806 |
|
| 2 | be [v-ing] on | 4284 |
|
| 3 | be working [adv] | 1267 |
|
| 4 | be working [adv prt] | 351 |
|
| 5 | be work on | 232 |
|
| 6 | [be] working on | 182 |
|
| 7 | be working on | 182 |
|
