| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] be [v-ing] | 3835 |
|
| 2 | [vb past] [pron] [be] [v-ing] | 3835 |
|
| 3 | [vb past] [pron] [was/were] [v-ing] | 3423 |
|
| 4 | [verb] [pron] were [v-ing] | 1404 |
|
| 5 | [vb past] [pron] were [verb] | 1046 |
|
