| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] | 71140 |
|
| 2 | i be [v-ing] | 30239 |
|
| 3 | i be [prep] | 6362 |
|
| 4 | i [v-ing] [prep] | 167 |
|
