| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at time of [verb] | 30 |
|
| 2 | at time of [v-ing] | 30 |
|
| 3 | at time [prep] going | 20 |
|
| 4 | at time of going | 20 |
|
| 5 | at time [prep] going | 20 |
|
| 6 | [prep] time of going | 20 |
|
| 7 | at time of go | 20 |
|
| 8 | at time of going | 20 |
|
| 9 | [prep] time of going | 20 |
|
| 10 | at [noun] of going | 20 |
|
