| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at about [adj] [prep] [noun prp] | 5 |
|
| 2 | at about [adj] [prep] [noun prp] | 5 |
|
| 3 | at about [adj] on [noun prp] | 5 |
|
| 4 | at about [adj] on [noun prp] | 5 |
|
