| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [verb] [prep] [v-ing] | 3321 |
|
| 2 | [vb mod] be [verb] [prep] be | 1089 |
|
| 3 | be [verb] [prep] be [v-ing] | 161 |
|
| 4 | [vb mod] [verb] [prep] be [v-ing] | 128 |
|
