| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [vb past] be [v-ing] | 161 |
|
| 2 | [vb past] it [vb past] be [verb] | 46 |
|
| 3 | [verb] it [vb past] be [v-ing] | 14 |
|
| 4 | [vb past] it [verb] be [v-ing] | 12 |
|
| 5 | [vb past] it [vb past] [be] [v-ing] | 11 |
|
