| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was at [det] time | 167 |
|
| 2 | [v-ing] at [det] time | 97 |
|
| 3 | was [v-ing] at [det] | 79 |
|
| 4 | was [v-ing] [det] time | 11 |
|
