| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] for a | 408 |
|
| 2 | [v-ing] [pron] for a | 216 |
|
| 3 | [was/were] [v-ing] [pron] for | 148 |
|
| 4 | [was/were] [v-ing] [pron] a | 129 |
|
| 5 | [was/were] [pron] for a | 6 |
|
