| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] four | 802 |
|
| 2 | [prep] [adv] four | 799 |
|
| 3 | [prep] approximately [adj] | 507 |
|
| 4 | [prep] approximately [num] | 479 |
|
| 5 | [prep] approximately four | 12 |
|
| 6 | [prep] approximately four | 12 |
|
| 7 | [prep] approximately four | 12 |
|
