| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at the time of [v-ing] | 31 |
|
| 2 | [verb] at the time of [verb] | 31 |
|
| 3 | [vb pp] at the time of [verb] | 23 |
|
| 4 | [verb] at the time of write | 5 |
|
| 5 | [verb] at the time of writing | 5 |
|
| 6 | [verb] at the time of go | 5 |
|
| 7 | [verb] at the time of going | 5 |
|
