| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [prep] the | 6700 |
|
| 2 | [was/were] [verb] for the | 1872 |
|
| 3 | [be] [v-ing] for the | 1312 |
|
| 4 | [was/were] [v-ing] for [art] | 870 |
|
