| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] about four | 152 |
|
| 2 | for about four | 60 |
|
| 3 | of about four | 24 |
|
| 4 | at about four | 19 |
|
| 5 | by about four | 12 |
|
| 6 | to about four | 11 |
|
| 7 | after about four | 5 |
|
