| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] be | 5537 |
|
| 2 | [was/were] [v-ing] [verb] [prep] | 1429 |
|
| 3 | [was/were] [v-ing] [prep] be | 1399 |
|
| 4 | [v-ing] [verb] [prep] be | 129 |
|
