| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if at the time [prep] the | 6 |
|
| 2 | if at the time [prep] [art] | 6 |
|
| 3 | if at the time [prep] the | 6 |
|
| 4 | if at the time [prep] [art] | 6 |
|
| 5 | if at the time [prep] [noun] | 5 |
|
| 6 | if at the time [prep] [noun sg] | 5 |
|
