| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [pron] be [v-ing] | 1038 |
|
| 2 | [vb past] [pron] had be [v-ing] | 91 |
|
| 3 | i [vb past] [pron] had be | 67 |
|
