| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [was/were] [verb] to be | 707 |
|
| 2 | [was/were] [verb] to be [v-ing] | 385 |
|
| 3 | [noun pl] [verb] to be [v-ing] | 362 |
|
| 4 | [noun pl] [was/were] [verb] to [v-ing] | 35 |
|
