| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at about [adj] | 104 |
|
| 2 | at about [det] | 71 |
|
| 3 | at about this | 67 |
|
| 4 | at about this | 67 |
|
| 5 | at about [num] | 32 |
|
| 6 | at about one | 13 |
|
| 7 | at about one | 13 |
|
| 8 | at about 1 | 7 |
|
| 9 | at about 1 | 7 |
|
