| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] at the time | 517 |
|
| 2 | [noun pl] [v-ing] at the | 371 |
|
| 3 | [v-ing] at the time | 190 |
|
| 4 | [noun pl] [v-ing] the time | 5 |
|
