| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [prep] [adv] | 379 |
|
| 2 | [be] [v-ing] [prep] about | 74 |
|
| 3 | [was/were] [verb] [prep] about | 70 |
|
| 4 | [was/were] [v-ing] [prep] about | 15 |
|
