| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [adv] | 1462 |
|
| 2 | be [v-ing] [prep] [adv] | 1461 |
|
| 3 | was [verb] [prep] [adv] | 1438 |
|
| 4 | [was/were] [v-ing] [prep] [adv] | 327 |
|
| 5 | was [v-ing] [prep] [adv] | 243 |
|
| 6 | was [v-ing] [prep] [adv] | 213 |
|
