| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] on [adj] [noun] | 1162 |
|
| 2 | be [v-ing] [prep] [adj] [noun] | 669 |
|
| 3 | be [v-ing] on [adj] [noun] | 451 |
|
| 4 | [be] [v-ing] on [adj] [noun] | 451 |
|
| 5 | [be] [v-ing] on [adj] [noun] | 63 |
|
