| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [v-ing] on [num] | 5 |
|
| 2 | [vb mod] be [v-ing] on [num] | 5 |
|
| 3 | be [v-ing] on [noun] [num] | 11 |
|
| 4 | be [v-ing] on [noun sg] [num] | 8 |
|
| 5 | be [v-ing] on [num] [noun] | 6 |
|
