| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] [pron] [prep] | 463 |
|
| 2 | [vb past] be [verb] [pron] [prep] | 203 |
|
| 3 | [vb past] be [v-ing] [pron] [prep] | 151 |
|
| 4 | [vb past] [be] [v-ing] [pron] [prep] | 151 |
|
