| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [v-ing] on [art] | 9 |
|
| 2 | [vb mod] be [v-ing] on [art] | 9 |
|
| 3 | be [v-ing] on [prep] [art] | 31 |
|
| 4 | be [v-ing] on [prep] [art] | 31 |
|
| 5 | be [v-ing] on in [art] | 6 |
|
| 6 | be [v-ing] on in [art] | 6 |
|
| 7 | be [v-ing] on to [art] | 5 |
|
| 8 | be [v-ing] on to [art] | 5 |
|
| 9 | be [v-ing] on [art] [noun] | 8 |
|
| 10 | be [v-ing] on [art] [noun sg] | 8 |
|
| 11 | be [v-ing] on [art] [adj] | 5 |
|
| 12 | be [v-ing] on [art] [adj] | 5 |
|
