| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at about the time [conj] | 8 |
|
| 2 | at about the [noun sg] [that] | 8 |
|
| 3 | at about the [noun sg] that | 8 |
|
| 4 | at about the [noun sg] that | 8 |
|
