| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] this | 914 |
|
| 2 | be [v-ing] on [adj] | 713 |
|
| 3 | be [verb] on this | 413 |
|
| 4 | be [v-ing] on [det] | 357 |
|
| 5 | [be] [v-ing] on this | 113 |
|
| 6 | be [v-ing] on this | 113 |
|
