| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] at [adj] | 268 |
|
| 2 | [was/were] at [adj] time | 258 |
|
| 3 | [v-ing] at [adj] time | 96 |
|
| 4 | [was/were] [v-ing] [adj] time | 26 |
|
