| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] [adv] [prep] | 3370 |
|
| 2 | was [v-ing] [adv] [conj] | 889 |
|
| 3 | [v-ing] [adv] [conj] [prep] | 674 |
|
| 4 | was [adv] [conj] [prep] | 167 |
|
| 5 | was [v-ing] [conj] [prep] | 81 |
|
