| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] about [adj] | 5361 |
|
| 2 | [prep] about [num] | 5079 |
|
| 3 | [prep] [adv] four | 802 |
|
| 4 | [prep] about four | 152 |
|
| 5 | [prep] about four | 152 |
|
