| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at the time [prep] [art] | 37 |
|
| 2 | [v-ing] at the time [prep] the | 34 |
|
| 3 | [v-ing] at the time [prep] the | 34 |
|
| 4 | [v-ing] at the time of [art] | 32 |
|
| 5 | driving at the time [prep] [art] | 5 |
|
