| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] [adj] [noun pl] | 3810 |
|
| 2 | at [adv] [adj] [noun pl] | 3781 |
|
| 3 | [prep] about [adj] [noun pl] | 2111 |
|
| 4 | at about [adj] [noun] | 215 |
|
| 5 | at about [adj] [noun pl] | 145 |
|
