| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] for a | 408 |
|
| 2 | [was/were] [v-ing] up a | 71 |
|
| 3 | [v-ing] up for a | 60 |
|
| 4 | [was/were] [v-ing] up for | 44 |
|
