| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [pron] [prep] [art] | 453 |
|
| 2 | [be] [v-ing] [prep] [pron] [prep] [art] | 453 |
|
| 3 | [was/were] [v-ing] [prep] [pron] [prep] [art] | 242 |
|
| 4 | were [verb] [prep] [pron] [prep] [art] | 105 |
|
