| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pron] [be] [v-ing] | 12447 |
|
| 2 | [pron] [pron] be [v-ing] | 12445 |
|
| 3 | [pron] [pron] [was/were] [v-ing] | 4317 |
|
| 4 | [pron] [pron] were [verb] | 1886 |
|
