| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [pron] [prep] | 1347 |
|
| 2 | [v-ing] [pron] [prep] an | 413 |
|
| 3 | [was/were] [v-ing] [prep] an | 365 |
|
| 4 | [was/were] [pron] [prep] an | 55 |
|
| 5 | [was/were] [v-ing] [pron] an | 9 |
|
