| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] | 79523 |
|
| 2 | [v-ing] [prep] some | 1547 |
|
| 3 | be [prep] some | 1366 |
|
| 4 | be [v-ing] some | 984 |
|
