| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at about [num] [prep] | 58 |
|
| 2 | at about [adj] in | 19 |
|
| 3 | at about [adj] past | 16 |
|
| 4 | at about [adj] on | 14 |
|
| 5 | at about [det] [prep] | 13 |
|
| 6 | at about half [prep] | 13 |
|
| 7 | at about half [prep] | 13 |
|
| 8 | at about [adj] to | 8 |
|
| 9 | at about [adj] of | 7 |
|
| 10 | at about ten [prep] | 5 |
|
| 11 | at about ten [prep] | 5 |
|
