| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adv] three [noun] | 442 |
|
| 2 | at [adv] three [noun] | 442 |
|
| 3 | at about [adj] [noun] | 215 |
|
| 4 | at about [num] [noun] | 209 |
|
| 5 | [prep] about three [noun] | 177 |
|
| 6 | [prep] about three [noun] | 177 |
|
| 7 | at about three [noun] | 8 |
|
| 8 | at about three [noun] | 8 |
|
| 9 | at about three [noun] | 8 |
|
