| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [v-ing] [prep] | 4039 |
|
| 2 | i [vb mod] be [v-ing] | 1675 |
|
| 3 | i [vb mod] be [prep] | 609 |
|
| 4 | i be [v-ing] [prep] | 15 |
|
