| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] some [noun sg] | 177 |
|
| 2 | be [v-ing] on [prep] [noun sg] | 71 |
|
| 3 | be [v-ing] on [prep] some | 21 |
|
| 4 | [v-ing] on [prep] some [noun sg] | 20 |
|
