| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] [prep] | 19633 |
|
| 2 | [v-ing] [prep] time | 254 |
|
| 3 | was [prep] time | 36 |
|
| 4 | was [v-ing] time | 26 |
|
