| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | group [prep] about [num] | 40 |
|
| 2 | group [prep] about [adj] | 40 |
|
| 3 | group of about [adj] | 40 |
|
| 4 | group [prep] about 20 | 5 |
|
| 5 | group [prep] about 20 | 5 |
|
